312536 has 16 divisors (see below), whose sum is σ = 669840. Its totient is φ = 133920.

The previous prime is 312527. The next prime is 312551. The reversal of 312536 is 635213.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312536.

It is an unprimeable number.

312536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (41865).

2³¹²⁵³⁶ is an apocalyptic number.

It is an amenable number.

312536 is an abundant number, since it is smaller than the sum of its proper divisors (357304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312536 is a wasteful number, since it uses less digits than its factorization.

312536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5590 counting only the distinct ones).

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

The square root of 312536 is about 559.0491928265. The cubic root of 312536 is about 67.8630461557.

Adding to 312536 its reverse (635213), we get a palindrome (947749).

It can be divided in two parts, 312 and 536, that added together give a palindrome (848).

The spelling of 312536 in words is "three hundred twelve thousand, five hundred thirty-six".