256102536 has 16 divisors (see below), whose sum is σ = 640256400. Its totient is φ = 85367504.

The previous prime is 256102531. The next prime is 256102537. The reversal of 256102536 is 635201652.

It is not an unprimeable number, because it can be changed into a prime (256102531) 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, 5335446 + ... + 5335493.

It is an arithmetic number, because the mean of its divisors is an integer number (40016025).

Almost surely, 2^256102536 is an apocalyptic number.

It is an amenable number.

256102536 is an abundant number, since it is smaller than the sum of its proper divisors (384153864).

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

256102536 is a wasteful number, since it uses less digits than its factorization.

256102536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670948 (or 10670944 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 256102536 is about 16003.2039292137. The cubic root of 256102536 is about 635.0451833020.

The spelling of 256102536 in words is "two hundred fifty-six million, one hundred two thousand, five hundred thirty-six".