52152565 has 4 divisors (see below), whose sum is σ = 62583084. Its totient is φ = 41722048.

The previous prime is 52152539. The next prime is 52152589. The reversal of 52152565 is 56525125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37051569 + 15100996 = 6087^2 + 3886^2 .

It is a cyclic number.

It is not a de Polignac number, because 52152565 - 2⁷ = 52152437 is a prime.

It is a Duffinian number.

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, 5215252 + ... + 5215261.

It is an arithmetic number, because the mean of its divisors is an integer number (15645771).

Almost surely, 2^52152565 is an apocalyptic number.

It is an amenable number.

52152565 is a deficient number, since it is larger than the sum of its proper divisors (10430519).

52152565 is a wasteful number, since it uses less digits than its factorization.

52152565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430518.

The product of its digits is 15000, while the sum is 31.

The square root of 52152565 is about 7221.6732825572. The cubic root of 52152565 is about 373.6157916810.

The spelling of 52152565 in words is "fifty-two million, one hundred fifty-two thousand, five hundred sixty-five".