315200505 has 16 divisors (see below), whose sum is σ = 508786560. Its totient is φ = 166618368.

The previous prime is 315200491. The next prime is 315200537. The reversal of 315200505 is 505002513.

It is not a de Polignac number, because 315200505 - 2¹³ = 315192313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91285 + ... + 94674.

It is an arithmetic number, because the mean of its divisors is an integer number (31799160).

Almost surely, 2^315200505 is an apocalyptic number.

It is an amenable number.

315200505 is a deficient number, since it is larger than the sum of its proper divisors (193586055).

315200505 is a wasteful number, since it uses less digits than its factorization.

315200505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186080.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 315200505 is about 17753.8870391810. The cubic root of 315200505 is about 680.5535465299.

The spelling of 315200505 in words is "three hundred fifteen million, two hundred thousand, five hundred five".