Search a number
-
+
525354131 = 775967709
BaseRepresentation
bin11111010100000…
…100010010010011
31100121112202101102
4133110010102103
52033442313011
6124044055015
716006302461
oct3724042223
91317482342
10525354131
1124a604375
12127b3446b
1384ac1543
144dab5831
15311c573b
hex1f504493

525354131 has 4 divisors (see below), whose sum is σ = 525429600. Its totient is φ = 525278664.

The previous prime is 525354127. The next prime is 525354133. The reversal of 525354131 is 131453525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525354131 - 22 = 525354127 is a prime.

It is a super-2 number, since 2×5253541312 = 551993925917530322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525354094 and 525354103.

It is not an unprimeable number, because it can be changed into a prime (525354133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26096 + ... + 41613.

It is an arithmetic number, because the mean of its divisors is an integer number (131357400).

Almost surely, 2525354131 is an apocalyptic number.

525354131 is a deficient number, since it is larger than the sum of its proper divisors (75469).

525354131 is an equidigital number, since it uses as much as digits as its factorization.

525354131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75468.

The product of its digits is 9000, while the sum is 29.

The square root of 525354131 is about 22920.6049440236. The cubic root of 525354131 is about 806.8956679898.

The spelling of 525354131 in words is "five hundred twenty-five million, three hundred fifty-four thousand, one hundred thirty-one".

Divisors: 1 7759 67709 525354131