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1025134601 = 2935349469
BaseRepresentation
bin111101000110100…
…101000000001001
32122102222020022012
4331012211000021
54044413301401
6245420105305
734255333421
oct7506450011
92572866265
101025134601
11486730887
12247395235
131344ca72a
149a211481
155eee88bb
hex3d1a5009

1025134601 has 4 divisors (see below), whose sum is σ = 1060484100. Its totient is φ = 989785104.

The previous prime is 1025134529. The next prime is 1025134657. The reversal of 1025134601 is 1064315201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1064315201 = 9931107171.

It can be written as a sum of positive squares in 2 ways, for example, as 355360201 + 669774400 = 18851^2 + 25880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1025134601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025134661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17674706 + ... + 17674763.

It is an arithmetic number, because the mean of its divisors is an integer number (265121025).

Almost surely, 21025134601 is an apocalyptic number.

It is an amenable number.

1025134601 is a deficient number, since it is larger than the sum of its proper divisors (35349499).

1025134601 is an equidigital number, since it uses as much as digits as its factorization.

1025134601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35349498.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1025134601 is about 32017.7232326098. The cubic root of 1025134601 is about 1008.3089701344.

Adding to 1025134601 its reverse (1064315201), we get a palindrome (2089449802).

The spelling of 1025134601 in words is "one billion, twenty-five million, one hundred thirty-four thousand, six hundred one".

Divisors: 1 29 35349469 1025134601