64253456 has 10 divisors (see below), whose sum is σ = 124491102. Its totient is φ = 32126720.

The previous prime is 64253443. The next prime is 64253549. The reversal of 64253456 is 65435246.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 6250000 = 7616^2 + 2500^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007905 + ... + 2007936.

Almost surely, 2^64253456 is an apocalyptic number.

It is an amenable number.

64253456 is a deficient number, since it is larger than the sum of its proper divisors (60237646).

64253456 is a wasteful number, since it uses less digits than its factorization.

64253456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015849 (or 4015843 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 64253456 is about 8015.8253473987. The cubic root of 64253456 is about 400.5273378149.

The spelling of 64253456 in words is "sixty-four million, two hundred fifty-three thousand, four hundred fifty-six".