312494453 has 2 divisors, whose sum is σ = 312494454. Its totient is φ = 312494452.

The previous prime is 312494447. The next prime is 312494461. The reversal of 312494453 is 354494213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298529284 + 13965169 = 17278^2 + 3737^2 .

It is a cyclic number.

It is not a de Polignac number, because 312494453 - 2⁴ = 312494437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312494473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156247226 + 156247227.

It is an arithmetic number, because the mean of its divisors is an integer number (156247227).

Almost surely, 2^312494453 is an apocalyptic number.

It is an amenable number.

312494453 is a deficient number, since it is larger than the sum of its proper divisors (1).

312494453 is an equidigital number, since it uses as much as digits as its factorization.

312494453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 312494453 is about 17677.5126361148. The cubic root of 312494453 is about 678.6003889584.

The spelling of 312494453 in words is "three hundred twelve million, four hundred ninety-four thousand, four hundred fifty-three".