505320315 has 16 divisors (see below), whose sum is σ = 810324000. Its totient is φ = 268900352.

The previous prime is 505320311. The next prime is 505320323. The reversal of 505320315 is 513023505.

It is a cyclic number.

It is not a de Polignac number, because 505320315 - 2² = 505320311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505320311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30780 + ... + 44249.

It is an arithmetic number, because the mean of its divisors is an integer number (50645250).

Almost surely, 2^505320315 is an apocalyptic number.

505320315 is a deficient number, since it is larger than the sum of its proper divisors (305003685).

505320315 is a wasteful number, since it uses less digits than its factorization.

505320315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75486.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 505320315 is about 22479.3308396847. The cubic root of 505320315 is about 796.5057574528.

The spelling of 505320315 in words is "five hundred five million, three hundred twenty thousand, three hundred fifteen".