52564225 has 12 divisors (see below), whose sum is σ = 74491264. Its totient is φ = 36043920.

The previous prime is 52564217. The next prime is 52564229. The reversal of 52564225 is 52246525.

It is a happy number.

It is not a de Polignac number, because 52564225 - 2³ = 52564217 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52564229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150009 + ... + 150358.

Almost surely, 2^52564225 is an apocalyptic number.

It is an amenable number.

52564225 is a deficient number, since it is larger than the sum of its proper divisors (21927039).

52564225 is a wasteful number, since it uses less digits than its factorization.

52564225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300384 (or 300379 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 52564225 is about 7250.1189645412. The cubic root of 52564225 is about 374.5962469267.

The spelling of 52564225 in words is "fifty-two million, five hundred sixty-four thousand, two hundred twenty-five".