253560431 has 2 divisors, whose sum is σ = 253560432. Its totient is φ = 253560430.

The previous prime is 253560421. The next prime is 253560449. The reversal of 253560431 is 134065352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253560431 - 2⁶ = 253560367 is a prime.

It is a super-2 number, since 2×253560431² = 128585784337811522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 253560394 and 253560403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253560421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126780215 + 126780216.

It is an arithmetic number, because the mean of its divisors is an integer number (126780216).

Almost surely, 2^253560431 is an apocalyptic number.

253560431 is a deficient number, since it is larger than the sum of its proper divisors (1).

253560431 is an equidigital number, since it uses as much as digits as its factorization.

253560431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 253560431 is about 15923.5809728842. The cubic root of 253560431 is about 632.9370138823.

The spelling of 253560431 in words is "two hundred fifty-three million, five hundred sixty thousand, four hundred thirty-one".