312275 has 6 divisors (see below), whose sum is σ = 387252. Its totient is φ = 249800.

The previous prime is 312269. The next prime is 312281. The reversal of 312275 is 572213.

It is an interprime number because it is at equal distance from previous prime (312269) and next prime (312281).

It is not a de Polignac number, because 312275 - 2⁶ = 312211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6221 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (64542).

2³¹²²⁷⁵ is an apocalyptic number.

312275 is a deficient number, since it is larger than the sum of its proper divisors (74977).

312275 is a wasteful number, since it uses less digits than its factorization.

312275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12501 (or 12496 counting only the distinct ones).

The product of its digits is 420, while the sum is 20.

The square root of 312275 is about 558.8157120196. The cubic root of 312275 is about 67.8441499988.

Adding to 312275 its reverse (572213), we get a palindrome (884488).

The spelling of 312275 in words is "three hundred twelve thousand, two hundred seventy-five".