312853349 has 2 divisors, whose sum is σ = 312853350. Its totient is φ = 312853348.

The previous prime is 312853339. The next prime is 312853357. The reversal of 312853349 is 943358213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205005124 + 107848225 = 14318^2 + 10385^2 .

It is a cyclic number.

It is not a de Polignac number, because 312853349 - 2¹² = 312849253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312853309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156426674 + 156426675.

It is an arithmetic number, because the mean of its divisors is an integer number (156426675).

Almost surely, 2^312853349 is an apocalyptic number.

It is an amenable number.

312853349 is a deficient number, since it is larger than the sum of its proper divisors (1).

312853349 is an equidigital number, since it uses as much as digits as its factorization.

312853349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 312853349 is about 17687.6609250630. The cubic root of 312853349 is about 678.8600776083.

The spelling of 312853349 in words is "three hundred twelve million, eight hundred fifty-three thousand, three hundred forty-nine".