253360291 has 2 divisors, whose sum is σ = 253360292. Its totient is φ = 253360290.

The previous prime is 253360277. The next prime is 253360313. The reversal of 253360291 is 192063352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253360291 - 2⁵ = 253360259 is a prime.

It is not a weakly prime, because it can be changed into another prime (253360391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126680145 + 126680146.

It is an arithmetic number, because the mean of its divisors is an integer number (126680146).

Almost surely, 2^253360291 is an apocalyptic number.

253360291 is a deficient number, since it is larger than the sum of its proper divisors (1).

253360291 is an equidigital number, since it uses as much as digits as its factorization.

253360291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 253360291 is about 15917.2953418601. The cubic root of 253360291 is about 632.7704403659.

The spelling of 253360291 in words is "two hundred fifty-three million, three hundred sixty thousand, two hundred ninety-one".