312475 has 12 divisors (see below), whose sum is σ = 401760. Its totient is φ = 240800.

The previous prime is 312469. The next prime is 312509. The reversal of 312475 is 574213.

It is not a de Polignac number, because 312475 - 2⁹ = 311963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

312475 is a Friedman number, since it can be written as 725*431, using all its digits and the basic arithmetic operations.

It is a vampire number, since it can be written as 431 ⋅ 725 (with its own digits).

2³¹²⁴⁷⁵ is an apocalyptic number.

312475 is a deficient number, since it is larger than the sum of its proper divisors (89285).

312475 is a wasteful number, since it uses less digits than its factorization.

312475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 465 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 312475 is about 558.9946332479. The cubic root of 312475 is about 67.8586307549.

Adding to 312475 its reverse (574213), we get a palindrome (886688).

It can be divided in two parts, 312 and 475, that added together give a palindrome (787).

The spelling of 312475 in words is "three hundred twelve thousand, four hundred seventy-five".