256257610 has 16 divisors (see below), whose sum is σ = 527158656. Its totient is φ = 87859728.

The previous prime is 256257571. The next prime is 256257613. The reversal of 256257610 is 16752652.

256257610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256257613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830342 + ... + 1830481.

It is an arithmetic number, because the mean of its divisors is an integer number (32947416).

Almost surely, 2^256257610 is an apocalyptic number.

256257610 is an abundant number, since it is smaller than the sum of its proper divisors (270901046).

256257610 is a wasteful number, since it uses less digits than its factorization.

256257610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660837.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 256257610 is about 16008.0482882830. The cubic root of 256257610 is about 635.1733339614.

The spelling of 256257610 in words is "two hundred fifty-six million, two hundred fifty-seven thousand, six hundred ten".