312653 has 8 divisors (see below), whose sum is σ = 349536. Its totient is φ = 277200.

The previous prime is 312643. The next prime is 312673. The reversal of 312653 is 356213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312653 - 2⁶ = 312589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (43692).

2³¹²⁶⁵³ is an apocalyptic number.

It is an amenable number.

312653 is a deficient number, since it is larger than the sum of its proper divisors (36883).

312653 is a wasteful number, since it uses less digits than its factorization.

312653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

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

The square root of 312653 is about 559.1538249892. The cubic root of 312653 is about 67.8715134318.

Adding to 312653 its reverse (356213), we get a palindrome (668866).

The spelling of 312653 in words is "three hundred twelve thousand, six hundred fifty-three".