315827 has 8 divisors (see below), whose sum is σ = 330480. Its totient is φ = 301600.

The previous prime is 315811. The next prime is 315829. The reversal of 315827 is 728513.

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 315827 - 2⁴ = 315811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315796 and 315805.

It is not an unprimeable number, because it can be changed into a prime (315829) 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, 3077 + ... + 3177.

It is an arithmetic number, because the mean of its divisors is an integer number (41310).

2³¹⁵⁸²⁷ is an apocalyptic number.

315827 is a deficient number, since it is larger than the sum of its proper divisors (14653).

315827 is a wasteful number, since it uses less digits than its factorization.

315827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its digits is 1680, while the sum is 26.

The square root of 315827 is about 561.9848752413. The cubic root of 315827 is about 68.1004139320.

Subtracting 315827 from its reverse (728513), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 315827 in words is "three hundred fifteen thousand, eight hundred twenty-seven".