253051716451 has 2 divisors, whose sum is σ = 253051716452. Its totient is φ = 253051716450.

The previous prime is 253051716367. The next prime is 253051716469. The reversal of 253051716451 is 154617150352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253051716451 - 2¹⁷ = 253051585379 is a prime.

It is not a weakly prime, because it can be changed into another prime (253051726451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126525858225 + 126525858226.

It is an arithmetic number, because the mean of its divisors is an integer number (126525858226).

Almost surely, 2^253051716451 is an apocalyptic number.

253051716451 is a deficient number, since it is larger than the sum of its proper divisors (1).

253051716451 is an equidigital number, since it uses as much as digits as its factorization.

253051716451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 253051716451 in words is "two hundred fifty-three billion, fifty-one million, seven hundred sixteen thousand, four hundred fifty-one".