315167249 has 2 divisors, whose sum is σ = 315167250. Its totient is φ = 315167248.

The previous prime is 315167239. The next prime is 315167257. The reversal of 315167249 is 942761513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162817600 + 152349649 = 12760^2 + 12343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315167249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315167239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157583624 + 157583625.

It is an arithmetic number, because the mean of its divisors is an integer number (157583625).

Almost surely, 2^315167249 is an apocalyptic number.

It is an amenable number.

315167249 is a deficient number, since it is larger than the sum of its proper divisors (1).

315167249 is an equidigital number, since it uses as much as digits as its factorization.

315167249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 315167249 is about 17752.9504308439. The cubic root of 315167249 is about 680.5296111995.

The spelling of 315167249 in words is "three hundred fifteen million, one hundred sixty-seven thousand, two hundred forty-nine".