315117037 has 2 divisors, whose sum is σ = 315117038. Its totient is φ = 315117036.

The previous prime is 315116969. The next prime is 315117073. The reversal of 315117037 is 730711513.

Together with next prime (315117073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254370601 + 60746436 = 15949^2 + 7794^2 .

It is a cyclic number.

It is not a de Polignac number, because 315117037 - 2⁷ = 315116909 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 315116996 and 315117014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315117137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157558518 + 157558519.

It is an arithmetic number, because the mean of its divisors is an integer number (157558519).

Almost surely, 2^315117037 is an apocalyptic number.

It is an amenable number.

315117037 is a deficient number, since it is larger than the sum of its proper divisors (1).

315117037 is an equidigital number, since it uses as much as digits as its factorization.

315117037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 315117037 is about 17751.5361870459. The cubic root of 315117037 is about 680.4934689419.

The spelling of 315117037 in words is "three hundred fifteen million, one hundred seventeen thousand, thirty-seven".