315165241 has 4 divisors (see below), whose sum is σ = 315573732. Its totient is φ = 314756752.

The previous prime is 315165233. The next prime is 315165269. The reversal of 315165241 is 142561513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5546025 + 309619216 = 2355^2 + 17596^2 .

It is a cyclic number.

It is not a de Polignac number, because 315165241 - 2³ = 315165233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315165281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203086 + ... + 204631.

It is an arithmetic number, because the mean of its divisors is an integer number (78893433).

Almost surely, 2^315165241 is an apocalyptic number.

It is an amenable number.

315165241 is a deficient number, since it is larger than the sum of its proper divisors (408491).

315165241 is an equidigital number, since it uses as much as digits as its factorization.

315165241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408490.

The product of its digits is 3600, while the sum is 28.

The square root of 315165241 is about 17752.8938767740. The cubic root of 315165241 is about 680.5281659283.

The spelling of 315165241 in words is "three hundred fifteen million, one hundred sixty-five thousand, two hundred forty-one".