52513233 has 16 divisors (see below), whose sum is σ = 71736192. Its totient is φ = 34160000.

The previous prime is 52513217. The next prime is 52513259. The reversal of 52513233 is 33231525.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52513233 - 2⁴ = 52513217 is a prime.

It is a super-2 number, since 2×52513233² = 5515279280224578, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52513213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20293 + ... + 22733.

It is an arithmetic number, because the mean of its divisors is an integer number (4483512).

Almost surely, 2^52513233 is an apocalyptic number.

It is an amenable number.

52513233 is a deficient number, since it is larger than the sum of its proper divisors (19222959).

52513233 is a wasteful number, since it uses less digits than its factorization.

52513233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its digits is 2700, while the sum is 24.

The square root of 52513233 is about 7246.6014793143. The cubic root of 52513233 is about 374.4750771143.

Adding to 52513233 its reverse (33231525), we get a palindrome (85744758).

The spelling of 52513233 in words is "fifty-two million, five hundred thirteen thousand, two hundred thirty-three".