52307231 has 2 divisors, whose sum is σ = 52307232. Its totient is φ = 52307230.

The previous prime is 52307207. The next prime is 52307251. The reversal of 52307231 is 13270325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52307231 - 2¹⁸ = 52045087 is a prime.

It is a super-2 number, since 2×52307231² = 5472092829774722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 52307197 and 52307206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52307251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26153615 + 26153616.

It is an arithmetic number, because the mean of its divisors is an integer number (26153616).

Almost surely, 2^52307231 is an apocalyptic number.

52307231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52307231 is an equidigital number, since it uses as much as digits as its factorization.

52307231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 52307231 is about 7232.3738150071. The cubic root of 52307231 is about 373.9847644570.

Adding to 52307231 its reverse (13270325), we get a palindrome (65577556).

The spelling of 52307231 in words is "fifty-two million, three hundred seven thousand, two hundred thirty-one".