253408907 has 2 divisors, whose sum is σ = 253408908. Its totient is φ = 253408906.

The previous prime is 253408879. The next prime is 253408927. The reversal of 253408907 is 709804352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253408907 - 2⁸ = 253408651 is a prime.

It is not a weakly prime, because it can be changed into another prime (253408927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126704453 + 126704454.

It is an arithmetic number, because the mean of its divisors is an integer number (126704454).

Almost surely, 2^253408907 is an apocalyptic number.

253408907 is a deficient number, since it is larger than the sum of its proper divisors (1).

253408907 is an equidigital number, since it uses as much as digits as its factorization.

253408907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 253408907 is about 15918.8224124776. The cubic root of 253408907 is about 632.8109107966.

The spelling of 253408907 in words is "two hundred fifty-three million, four hundred eight thousand, nine hundred seven".