312424993 has 4 divisors (see below), whose sum is σ = 312496128. Its totient is φ = 312353860.

The previous prime is 312424969. The next prime is 312425039. The reversal of 312424993 is 399424213.

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 312424993 - 2¹⁷ = 312293921 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (312427993) 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, 28513 + ... + 37918.

It is an arithmetic number, because the mean of its divisors is an integer number (78124032).

Almost surely, 2^312424993 is an apocalyptic number.

It is an amenable number.

312424993 is a deficient number, since it is larger than the sum of its proper divisors (71135).

312424993 is an equidigital number, since it uses as much as digits as its factorization.

312424993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71134.

The product of its digits is 46656, while the sum is 37.

The square root of 312424993 is about 17675.5478840120. The cubic root of 312424993 is about 678.5501063850.

The spelling of 312424993 in words is "three hundred twelve million, four hundred twenty-four thousand, nine hundred ninety-three".