1315132417 has 2 divisors, whose sum is σ = 1315132418. Its totient is φ = 1315132416.

The previous prime is 1315132381. The next prime is 1315132439. The reversal of 1315132417 is 7142315131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710169201 + 604963216 = 26649^2 + 24596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315132417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315132447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657566208 + 657566209.

It is an arithmetic number, because the mean of its divisors is an integer number (657566209).

Almost surely, 2^1315132417 is an apocalyptic number.

It is an amenable number.

1315132417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315132417 is an equidigital number, since it uses as much as digits as its factorization.

1315132417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 1315132417 is about 36264.7544731796. The cubic root of 1315132417 is about 1095.6112784121.

Adding to 1315132417 its reverse (7142315131), we get a palindrome (8457447548).

The spelling of 1315132417 in words is "one billion, three hundred fifteen million, one hundred thirty-two thousand, four hundred seventeen".