312545413 has 4 divisors (see below), whose sum is σ = 326134368. Its totient is φ = 298956460.

The previous prime is 312545377. The next prime is 312545437. The reversal of 312545413 is 314545213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312545413 - 2²⁵ = 278990981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312545213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6794443 + ... + 6794488.

It is an arithmetic number, because the mean of its divisors is an integer number (81533592).

Almost surely, 2^312545413 is an apocalyptic number.

It is an amenable number.

312545413 is a deficient number, since it is larger than the sum of its proper divisors (13588955).

312545413 is a wasteful number, since it uses less digits than its factorization.

312545413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13588954.

The product of its digits is 7200, while the sum is 28.

The square root of 312545413 is about 17678.9539566118. The cubic root of 312545413 is about 678.6372745158.

The spelling of 312545413 in words is "three hundred twelve million, five hundred forty-five thousand, four hundred thirteen".