52513299 has 8 divisors (see below), whose sum is σ = 77797520. Its totient is φ = 35008848.

The previous prime is 52513297. The next prime is 52513309. The reversal of 52513299 is 99231525.

It is a happy number.

52513299 is a `hidden beast` number, since 52 + 513 + 2 + 99 = 666.

52513299 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 52513299 - 2¹ = 52513297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52513291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972442 + ... + 972495.

It is an arithmetic number, because the mean of its divisors is an integer number (9724690).

Almost surely, 2^52513299 is an apocalyptic number.

52513299 is a deficient number, since it is larger than the sum of its proper divisors (25284221).

52513299 is a wasteful number, since it uses less digits than its factorization.

52513299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944946 (or 1944940 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 52513299 is about 7246.6060331717. The cubic root of 52513299 is about 374.4752339976.

It can be divided in two parts, 525 and 13299, that added together give a cube (13824 = 24³).

The spelling of 52513299 in words is "fifty-two million, five hundred thirteen thousand, two hundred ninety-nine".