256572600 has 48 divisors (see below), whose sum is σ = 795376920. Its totient is φ = 68419200.

The previous prime is 256572587. The next prime is 256572601. The reversal of 256572600 is 6275652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256572601) 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 11 ways as a sum of consecutive naturals, for example, 213211 + ... + 214410.

Almost surely, 2^256572600 is an apocalyptic number.

256572600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256572600 is an abundant number, since it is smaller than the sum of its proper divisors (538804320).

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

256572600 is a wasteful number, since it uses less digits than its factorization.

256572600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427640 (or 427631 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 256572600 is about 16017.8837553530. The cubic root of 256572600 is about 635.4334775570.

The spelling of 256572600 in words is "two hundred fifty-six million, five hundred seventy-two thousand, six hundred".