52013331 has 12 divisors (see below), whose sum is σ = 75447840. Its totient is φ = 34529040.

The previous prime is 52013323. The next prime is 52013333. The reversal of 52013331 is 13331025.

52013331 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 52013331 - 2³ = 52013323 is a prime.

It is a super-2 number, since 2×52013331² = 5410773203431122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52013333) 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, 9940 + ... + 14241.

It is an arithmetic number, because the mean of its divisors is an integer number (6287320).

Almost surely, 2^52013331 is an apocalyptic number.

52013331 is a deficient number, since it is larger than the sum of its proper divisors (23434509).

52013331 is a wasteful number, since it uses less digits than its factorization.

52013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24426 (or 24423 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 52013331 is about 7212.0268302330. The cubic root of 52013331 is about 373.2830091784.

Adding to 52013331 its reverse (13331025), we get a palindrome (65344356).

The spelling of 52013331 in words is "fifty-two million, thirteen thousand, three hundred thirty-one".