312583 has 2 divisors, whose sum is σ = 312584. Its totient is φ = 312582.

The previous prime is 312581. The next prime is 312589. The reversal of 312583 is 385213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312583 - 2¹ = 312581 is a prime.

Together with 312581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156291 + 156292.

It is an arithmetic number, because the mean of its divisors is an integer number (156292).

2³¹²⁵⁸³ is an apocalyptic number.

312583 is a deficient number, since it is larger than the sum of its proper divisors (1).

312583 is an equidigital number, since it uses as much as digits as its factorization.

312583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 312583 is about 559.0912269031. The cubic root of 312583 is about 67.8664477940.

Adding to 312583 its reverse (385213), we get a palindrome (697796).

The spelling of 312583 in words is "three hundred twelve thousand, five hundred eighty-three".