52315331 has 2 divisors, whose sum is σ = 52315332. Its totient is φ = 52315330.

The previous prime is 52315297. The next prime is 52315337. The reversal of 52315331 is 13351325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52315331 - 2⁶ = 52315267 is a prime.

It is a super-2 number, since 2×52315331² = 5473787715279122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52315297 and 52315306.

It is not a weakly prime, because it can be changed into another prime (52315337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26157665 + 26157666.

It is an arithmetic number, because the mean of its divisors is an integer number (26157666).

Almost surely, 2^52315331 is an apocalyptic number.

52315331 is a deficient number, since it is larger than the sum of its proper divisors (1).

52315331 is an equidigital number, since it uses as much as digits as its factorization.

52315331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 23.

The square root of 52315331 is about 7232.9337754469. The cubic root of 52315331 is about 374.0040678445.

Adding to 52315331 its reverse (13351325), we get a palindrome (65666656).

The spelling of 52315331 in words is "fifty-two million, three hundred fifteen thousand, three hundred thirty-one".