64831252 has 12 divisors (see below), whose sum is σ = 116521300. Its totient is φ = 31539456.

The previous prime is 64831219. The next prime is 64831279. The reversal of 64831252 is 25213846.

It can be written as a sum of positive squares in 2 ways, for example, as 59660176 + 5171076 = 7724^2 + 2274^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218877 + ... + 219172.

Almost surely, 2^64831252 is an apocalyptic number.

It is an amenable number.

64831252 is a deficient number, since it is larger than the sum of its proper divisors (51690048).

64831252 is a wasteful number, since it uses less digits than its factorization.

64831252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438090 (or 438088 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 64831252 is about 8051.7856404651. The cubic root of 64831252 is about 401.7243310251.

The spelling of 64831252 in words is "sixty-four million, eight hundred thirty-one thousand, two hundred fifty-two".