64254256 has 40 divisors (see below), whose sum is σ = 140504400. Its totient is φ = 28197120.

The previous prime is 64254251. The next prime is 64254259. The reversal of 64254256 is 65245246.

It is a super-2 number, since 2×64254256² = 8257218828227072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64254251) 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, 1191 + ... + 11398.

It is an arithmetic number, because the mean of its divisors is an integer number (3512610).

Almost surely, 2^64254256 is an apocalyptic number.

It is an amenable number.

64254256 is an abundant number, since it is smaller than the sum of its proper divisors (76250144).

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

64254256 is a wasteful number, since it uses less digits than its factorization.

64254256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12637 (or 12631 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 64254256 is about 8015.8752485303. The cubic root of 64254256 is about 400.5290000889.

The spelling of 64254256 in words is "sixty-four million, two hundred fifty-four thousand, two hundred fifty-six".