252125431 has 2 divisors, whose sum is σ = 252125432. Its totient is φ = 252125430.

The previous prime is 252125381. The next prime is 252125483. The reversal of 252125431 is 134521252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252125431 - 2²¹ = 250028279 is a prime.

It is a super-2 number, since 2×252125431² = 127134465913871522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252125396 and 252125405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252125831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126062715 + 126062716.

It is an arithmetic number, because the mean of its divisors is an integer number (126062716).

Almost surely, 2^252125431 is an apocalyptic number.

252125431 is a deficient number, since it is larger than the sum of its proper divisors (1).

252125431 is an equidigital number, since it uses as much as digits as its factorization.

252125431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 252125431 is about 15878.4580800530. The cubic root of 252125431 is about 631.7407396451.

Adding to 252125431 its reverse (134521252), we get a palindrome (386646683).

The spelling of 252125431 in words is "two hundred fifty-two million, one hundred twenty-five thousand, four hundred thirty-one".