253179801257 has 2 divisors, whose sum is σ = 253179801258. Its totient is φ = 253179801256.

The previous prime is 253179801197. The next prime is 253179801311. The reversal of 253179801257 is 752108971352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252791750656 + 388050601 = 502784^2 + 19699^2 .

It is a cyclic number.

It is not a de Polignac number, because 253179801257 - 2¹⁸ = 253179539113 is a prime.

It is not a weakly prime, because it can be changed into another prime (253179809257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126589900628 + 126589900629.

It is an arithmetic number, because the mean of its divisors is an integer number (126589900629).

Almost surely, 2^253179801257 is an apocalyptic number.

It is an amenable number.

253179801257 is a deficient number, since it is larger than the sum of its proper divisors (1).

253179801257 is an equidigital number, since it uses as much as digits as its factorization.

253179801257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 253179801257 in words is "two hundred fifty-three billion, one hundred seventy-nine million, eight hundred one thousand, two hundred fifty-seven".