64953256 has 8 divisors (see below), whose sum is σ = 121787370. Its totient is φ = 32476624.

The previous prime is 64953253. The next prime is 64953271. The reversal of 64953256 is 65235946.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 19660356 = 6730^2 + 4434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (64953253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4059571 + ... + 4059586.

Almost surely, 2^64953256 is an apocalyptic number.

It is an amenable number.

64953256 is a deficient number, since it is larger than the sum of its proper divisors (56834114).

64953256 is a wasteful number, since it uses less digits than its factorization.

64953256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119163 (or 8119159 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 64953256 is about 8059.3582871095. The cubic root of 64953256 is about 401.9761707945.

The spelling of 64953256 in words is "sixty-four million, nine hundred fifty-three thousand, two hundred fifty-six".