255601524 has 12 divisors (see below), whose sum is σ = 596403584. Its totient is φ = 85200504.

The previous prime is 255601523. The next prime is 255601559. The reversal of 255601524 is 425106552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×255601524² = 130664278142245152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255601491 and 255601500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255601523) 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, 10650052 + ... + 10650075.

Almost surely, 2^255601524 is an apocalyptic number.

It is an amenable number.

255601524 is an abundant number, since it is smaller than the sum of its proper divisors (340802060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255601524 is a wasteful number, since it uses less digits than its factorization.

255601524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300134 (or 21300132 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 255601524 is about 15987.5427755487. The cubic root of 255601524 is about 634.6308011524.

The spelling of 255601524 in words is "two hundred fifty-five million, six hundred one thousand, five hundred twenty-four".