315302265 has 24 divisors (see below), whose sum is σ = 550837248. Its totient is φ = 166834080.

The previous prime is 315302263. The next prime is 315302269. The reversal of 315302265 is 562203513.

It is not a de Polignac number, because 315302265 - 2¹ = 315302263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315302263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21871 + ... + 33300.

It is an arithmetic number, because the mean of its divisors is an integer number (22951552).

Almost surely, 2^315302265 is an apocalyptic number.

It is an amenable number.

315302265 is a deficient number, since it is larger than the sum of its proper divisors (235534983).

315302265 is a wasteful number, since it uses less digits than its factorization.

315302265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55309 (or 55306 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 315302265 is about 17756.7526591998. The cubic root of 315302265 is about 680.6267757671.

Adding to 315302265 its reverse (562203513), we get a palindrome (877505778).

The spelling of 315302265 in words is "three hundred fifteen million, three hundred two thousand, two hundred sixty-five".