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1064025161 = 2281746633
BaseRepresentation
bin111111011010111…
…011110001001001
32202011011002010022
4333122323301021
54134342301121
6253325430225
735240031113
oct7732736111
92664132108
101064025161
114a6683941
1225840b375
1313c5962b4
14a14563b3
156362baab
hex3f6bbc49

1064025161 has 4 divisors (see below), whose sum is σ = 1064094612. Its totient is φ = 1063955712.

The previous prime is 1064025133. The next prime is 1064025163. The reversal of 1064025161 is 1615204601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 773118025 + 290907136 = 27805^2 + 17056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064025161 - 218 = 1063763017 is a prime.

It is a super-2 number, since 2×10640251612 = 2264299086482151842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1064025161.

It is not an unprimeable number, because it can be changed into a prime (1064025163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 46133.

It is an arithmetic number, because the mean of its divisors is an integer number (266023653).

Almost surely, 21064025161 is an apocalyptic number.

It is an amenable number.

1064025161 is a deficient number, since it is larger than the sum of its proper divisors (69451).

1064025161 is an equidigital number, since it uses as much as digits as its factorization.

1064025161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69450.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1064025161 is about 32619.3985382931. The cubic root of 1064025161 is about 1020.9017915510.

Adding to 1064025161 its reverse (1615204601), we get a palindrome (2679229762).

The spelling of 1064025161 in words is "one billion, sixty-four million, twenty-five thousand, one hundred sixty-one".

Divisors: 1 22817 46633 1064025161