1252450502417 has 2 divisors, whose sum is σ = 1252450502418. Its totient is φ = 1252450502416.

The previous prime is 1252450502393. The next prime is 1252450502449. The reversal of 1252450502417 is 7142050542521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231425212416 + 21025290001 = 1109696^2 + 145001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252450502417 - 2⁸ = 1252450502161 is a prime.

It is a super-2 number, since 2×1252450502417² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1252450502467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626225251208 + 626225251209.

It is an arithmetic number, because the mean of its divisors is an integer number (626225251209).

Almost surely, 2^{1252450502417} is an apocalyptic number.

It is an amenable number.

1252450502417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252450502417 is an equidigital number, since it uses as much as digits as its factorization.

1252450502417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 1252450502417 in words is "one trillion, two hundred fifty-two billion, four hundred fifty million, five hundred two thousand, four hundred seventeen".