253725331 has 2 divisors, whose sum is σ = 253725332. Its totient is φ = 253725330.

The previous prime is 253725313. The next prime is 253725337. The reversal of 253725331 is 133527352.

Together with previous prime (253725313) 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 253725331 - 2⁷ = 253725203 is a prime.

It is a super-2 number, since 2×253725331² = 128753087182119122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253725293 and 253725302.

It is not a weakly prime, because it can be changed into another prime (253725337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126862665 + 126862666.

It is an arithmetic number, because the mean of its divisors is an integer number (126862666).

Almost surely, 2^253725331 is an apocalyptic number.

253725331 is a deficient number, since it is larger than the sum of its proper divisors (1).

253725331 is an equidigital number, since it uses as much as digits as its factorization.

253725331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 31.

The square root of 253725331 is about 15928.7579867358. The cubic root of 253725331 is about 633.0741918268.

It can be divided in two parts, 25372 and 5331, that added together give a palindrome (30703).

The spelling of 253725331 in words is "two hundred fifty-three million, seven hundred twenty-five thousand, three hundred thirty-one".