315236 has 6 divisors (see below), whose sum is σ = 551670. Its totient is φ = 157616.

The previous prime is 315223. The next prime is 315247. The reversal of 315236 is 632513.

It can be written as a sum of positive squares in only one way, i.e., 160000 + 155236 = 400^2 + 394^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39401 + ... + 39408.

It is an arithmetic number, because the mean of its divisors is an integer number (91945).

2³¹⁵²³⁶ is an apocalyptic number.

It is an amenable number.

315236 is a deficient number, since it is larger than the sum of its proper divisors (236434).

315236 is a wasteful number, since it uses less digits than its factorization.

315236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78813 (or 78811 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 315236 is about 561.4588141618. The cubic root of 315236 is about 68.0579091478.

Adding to 315236 its reverse (632513), we get a palindrome (947749).

The spelling of 315236 in words is "three hundred fifteen thousand, two hundred thirty-six".