256341610 has 32 divisors (see below), whose sum is σ = 529316352. Its totient is φ = 87557760.

The previous prime is 256341583. The next prime is 256341611. The reversal of 256341610 is 16143652.

It is a super-2 number, since 2×256341610² = 131422042034784200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (256341611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12214 + ... + 25726.

It is an arithmetic number, because the mean of its divisors is an integer number (16541136).

Almost surely, 2^256341610 is an apocalyptic number.

256341610 is an abundant number, since it is smaller than the sum of its proper divisors (272974742).

256341610 is a wasteful number, since it uses less digits than its factorization.

256341610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 256341610 is about 16010.6717535524. The cubic root of 256341610 is about 635.2427286242.

The spelling of 256341610 in words is "two hundred fifty-six million, three hundred forty-one thousand, six hundred ten".