253501525117 has 2 divisors, whose sum is σ = 253501525118. Its totient is φ = 253501525116.

The previous prime is 253501525111. The next prime is 253501525163. The reversal of 253501525117 is 711525105352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229619222596 + 23882302521 = 479186^2 + 154539^2 .

It is a cyclic number.

It is not a de Polignac number, because 253501525117 - 2³⁵ = 219141786749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253501525111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126750762558 + 126750762559.

It is an arithmetic number, because the mean of its divisors is an integer number (126750762559).

Almost surely, 2^253501525117 is an apocalyptic number.

It is an amenable number.

253501525117 is a deficient number, since it is larger than the sum of its proper divisors (1).

253501525117 is an equidigital number, since it uses as much as digits as its factorization.

253501525117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 253501525117 in words is "two hundred fifty-three billion, five hundred one million, five hundred twenty-five thousand, one hundred seventeen".