315953 has 4 divisors (see below), whose sum is σ = 344688. Its totient is φ = 287220.

The previous prime is 315949. The next prime is 315961. The reversal of 315953 is 359513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315953 - 2² = 315949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314953) 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, 14351 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (86172).

2³¹⁵⁹⁵³ is an apocalyptic number.

It is an amenable number.

315953 is a deficient number, since it is larger than the sum of its proper divisors (28735).

315953 is a wasteful number, since it uses less digits than its factorization.

315953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28734.

The product of its digits is 2025, while the sum is 26.

The square root of 315953 is about 562.0969667237. The cubic root of 315953 is about 68.1094690068.

The spelling of 315953 in words is "three hundred fifteen thousand, nine hundred fifty-three".