252245131 has 2 divisors, whose sum is σ = 252245132. Its totient is φ = 252245130.

The previous prime is 252245113. The next prime is 252245143. The reversal of 252245131 is 131542252.

252245131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (252245113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252245131 - 2²³ = 243856523 is a prime.

It is a super-2 number, since 2×252245131² = 127255212226414322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252245096 and 252245105.

It is not a weakly prime, because it can be changed into another prime (252245731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126122565 + 126122566.

It is an arithmetic number, because the mean of its divisors is an integer number (126122566).

Almost surely, 2^252245131 is an apocalyptic number.

252245131 is a deficient number, since it is larger than the sum of its proper divisors (1).

252245131 is an equidigital number, since it uses as much as digits as its factorization.

252245131 is an evil number, because the sum of its binary digits is even.

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

The square root of 252245131 is about 15882.2268904584. The cubic root of 252245131 is about 631.8406996826.

Adding to 252245131 its reverse (131542252), we get a palindrome (383787383).

The spelling of 252245131 in words is "two hundred fifty-two million, two hundred forty-five thousand, one hundred thirty-one".