314494457 has 2 divisors, whose sum is σ = 314494458. Its totient is φ = 314494456.

The previous prime is 314494409. The next prime is 314494459. The reversal of 314494457 is 754494413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163302841 + 151191616 = 12779^2 + 12296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314494457 is a prime.

Together with 314494459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (314494459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157247228 + 157247229.

It is an arithmetic number, because the mean of its divisors is an integer number (157247229).

Almost surely, 2^314494457 is an apocalyptic number.

It is an amenable number.

314494457 is a deficient number, since it is larger than the sum of its proper divisors (1).

314494457 is an equidigital number, since it uses as much as digits as its factorization.

314494457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 314494457 is about 17733.9915698638. The cubic root of 314494457 is about 680.0450208082.

The spelling of 314494457 in words is "three hundred fourteen million, four hundred ninety-four thousand, four hundred fifty-seven".