256012610 has 32 divisors (see below), whose sum is σ = 539505792. Its totient is φ = 85633920.

The previous prime is 256012607. The next prime is 256012621. The reversal of 256012610 is 16210652.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41732 + ... + 47471.

It is an arithmetic number, because the mean of its divisors is an integer number (16859556).

Almost surely, 2^256012610 is an apocalyptic number.

256012610 is an abundant number, since it is smaller than the sum of its proper divisors (283493182).

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

256012610 is a wasteful number, since it uses less digits than its factorization.

256012610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89258.

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

The square root of 256012610 is about 16000.3940576475. The cubic root of 256012610 is about 634.9708462032.

The spelling of 256012610 in words is "two hundred fifty-six million, twelve thousand, six hundred ten".