232502531 has 2 divisors, whose sum is σ = 232502532. Its totient is φ = 232502530.

The previous prime is 232502521. The next prime is 232502593. The reversal of 232502531 is 135205232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232502531 is a prime.

It is a super-2 number, since 2×232502531² = 108114853842811922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 232502497 and 232502506.

It is not a weakly prime, because it can be changed into another prime (232502521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116251265 + 116251266.

It is an arithmetic number, because the mean of its divisors is an integer number (116251266).

Almost surely, 2^232502531 is an apocalyptic number.

232502531 is a deficient number, since it is larger than the sum of its proper divisors (1).

232502531 is an equidigital number, since it uses as much as digits as its factorization.

232502531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 232502531 is about 15248.0336765106. The cubic root of 232502531 is about 614.9067045117.

Adding to 232502531 its reverse (135205232), we get a palindrome (367707763).

The spelling of 232502531 in words is "two hundred thirty-two million, five hundred two thousand, five hundred thirty-one".