64165252 has 12 divisors (see below), whose sum is σ = 115324300. Its totient is φ = 31215456.

The previous prime is 64165247. The next prime is 64165271. The reversal of 64165252 is 25256146.

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 20921476 = 6576^2 + 4574^2 .

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, 216627 + ... + 216922.

Almost surely, 2^64165252 is an apocalyptic number.

It is an amenable number.

64165252 is a deficient number, since it is larger than the sum of its proper divisors (51159048).

64165252 is a wasteful number, since it uses less digits than its factorization.

64165252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433590 (or 433588 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 64165252 is about 8010.3215915467. The cubic root of 64165252 is about 400.3439791111.

The spelling of 64165252 in words is "sixty-four million, one hundred sixty-five thousand, two hundred fifty-two".