315752417 has 2 divisors, whose sum is σ = 315752418. Its totient is φ = 315752416.

The previous prime is 315752389. The next prime is 315752447. The reversal of 315752417 is 714257513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315559696 + 192721 = 17764^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 315752417 - 2¹⁴ = 315736033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315752447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157876208 + 157876209.

It is an arithmetic number, because the mean of its divisors is an integer number (157876209).

Almost surely, 2^315752417 is an apocalyptic number.

It is an amenable number.

315752417 is a deficient number, since it is larger than the sum of its proper divisors (1).

315752417 is an equidigital number, since it uses as much as digits as its factorization.

315752417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 35.

The square root of 315752417 is about 17769.4236541313. The cubic root of 315752417 is about 680.9505283972.

The spelling of 315752417 in words is "three hundred fifteen million, seven hundred fifty-two thousand, four hundred seventeen".