232530251 has 2 divisors, whose sum is σ = 232530252. Its totient is φ = 232530250.

The previous prime is 232530241. The next prime is 232530281. The reversal of 232530251 is 152035232.

232530251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232530251 - 2¹⁸ = 232268107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232530241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116265125 + 116265126.

It is an arithmetic number, because the mean of its divisors is an integer number (116265126).

Almost surely, 2^232530251 is an apocalyptic number.

232530251 is a deficient number, since it is larger than the sum of its proper divisors (1).

232530251 is an equidigital number, since it uses as much as digits as its factorization.

232530251 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 232530251 is about 15248.9426190802. The cubic root of 232530251 is about 614.9311408572.

Adding to 232530251 its reverse (152035232), we get a palindrome (384565483).

The spelling of 232530251 in words is "two hundred thirty-two million, five hundred thirty thousand, two hundred fifty-one".