52565121 has 12 divisors (see below), whose sum is σ = 86774272. Its totient is φ = 30037176.

The previous prime is 52565083. The next prime is 52565131. The reversal of 52565121 is 12156525.

52565121 is a `hidden beast` number, since 5 + 2 + 5 + 651 + 2 + 1 = 666.

It is not a de Polignac number, because 52565121 - 2⁹ = 52564609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52565131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417121 + ... + 417246.

Almost surely, 2^52565121 is an apocalyptic number.

It is an amenable number.

52565121 is a deficient number, since it is larger than the sum of its proper divisors (34209151).

52565121 is a wasteful number, since it uses less digits than its factorization.

52565121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834380 (or 834377 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 52565121 is about 7250.1807563674. The cubic root of 52565121 is about 374.5983753473.

The spelling of 52565121 in words is "fifty-two million, five hundred sixty-five thousand, one hundred twenty-one".