315605151 has 6 divisors (see below), whose sum is σ = 455874120. Its totient is φ = 210403428.

The previous prime is 315605131. The next prime is 315605177. The reversal of 315605151 is 151506513.

315605151 is a `hidden beast` number, since 3 + 1 + 5 + 605 + 1 + 51 = 666.

It is not a de Polignac number, because 315605151 - 2¹⁰ = 315604127 is a prime.

It is a super-2 number, since 2×315605151² = 199213222675465602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315605131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17533611 + ... + 17533628.

It is an arithmetic number, because the mean of its divisors is an integer number (75979020).

Almost surely, 2^315605151 is an apocalyptic number.

315605151 is a deficient number, since it is larger than the sum of its proper divisors (140268969).

315605151 is a wasteful number, since it uses less digits than its factorization.

315605151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35067245 (or 35067242 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 315605151 is about 17765.2793673502. The cubic root of 315605151 is about 680.8446474924.

The spelling of 315605151 in words is "three hundred fifteen million, six hundred five thousand, one hundred fifty-one".