252581023 has 2 divisors, whose sum is σ = 252581024. Its totient is φ = 252581022.

The previous prime is 252580973. The next prime is 252581027. The reversal of 252581023 is 320185252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252581023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252580982 and 252581000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252581027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126290511 + 126290512.

It is an arithmetic number, because the mean of its divisors is an integer number (126290512).

Almost surely, 2^252581023 is an apocalyptic number.

252581023 is a deficient number, since it is larger than the sum of its proper divisors (1).

252581023 is an equidigital number, since it uses as much as digits as its factorization.

252581023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 252581023 is about 15892.7978342393. The cubic root of 252581023 is about 632.1210303045.

The spelling of 252581023 in words is "two hundred fifty-two million, five hundred eighty-one thousand, twenty-three".