252531023 has 2 divisors, whose sum is σ = 252531024. Its totient is φ = 252531022.

The previous prime is 252530987. The next prime is 252531029. The reversal of 252531023 is 320135252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252531023 - 2¹⁸ = 252268879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252531023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252531029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126265511 + 126265512.

It is an arithmetic number, because the mean of its divisors is an integer number (126265512).

Almost surely, 2^252531023 is an apocalyptic number.

252531023 is a deficient number, since it is larger than the sum of its proper divisors (1).

252531023 is an equidigital number, since it uses as much as digits as its factorization.

252531023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 252531023 is about 15891.2247168052. The cubic root of 252531023 is about 632.0793167757.

Adding to 252531023 its reverse (320135252), we get a palindrome (572666275).

The spelling of 252531023 in words is "two hundred fifty-two million, five hundred thirty-one thousand, twenty-three".