252000431 has 2 divisors, whose sum is σ = 252000432. Its totient is φ = 252000430.

The previous prime is 252000407. The next prime is 252000449. The reversal of 252000431 is 134000252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252000431 is a prime.

It is a super-2 number, since 2×252000431² = 127008434448371522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252000491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126000215 + 126000216.

It is an arithmetic number, because the mean of its divisors is an integer number (126000216).

Almost surely, 2^252000431 is an apocalyptic number.

252000431 is a deficient number, since it is larger than the sum of its proper divisors (1).

252000431 is an equidigital number, since it uses as much as digits as its factorization.

252000431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 252000431 is about 15874.5214416057. The cubic root of 252000431 is about 631.6363198648.

Adding to 252000431 its reverse (134000252), we get a palindrome (386000683).

The spelling of 252000431 in words is "two hundred fifty-two million, four hundred thirty-one", and thus it is an aban number.