315797 has 8 divisors (see below), whose sum is σ = 333312. Its totient is φ = 298800.

The previous prime is 315779. The next prime is 315803. The reversal of 315797 is 797513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315797 - 2¹⁸ = 53653 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808 + ... + 1974.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2³¹⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

315797 is a deficient number, since it is larger than the sum of its proper divisors (17515).

315797 is a wasteful number, since it uses less digits than its factorization.

315797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its digits is 6615, while the sum is 32.

The square root of 315797 is about 561.9581834977. The cubic root of 315797 is about 68.0982576068.

The spelling of 315797 in words is "three hundred fifteen thousand, seven hundred ninety-seven".