314457691 has 2 divisors, whose sum is σ = 314457692. Its totient is φ = 314457690.

The previous prime is 314457673. The next prime is 314457727. The reversal of 314457691 is 196754413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 314457691 - 2¹⁷ = 314326619 is a prime.

It is not a weakly prime, because it can be changed into another prime (314454691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157228845 + 157228846.

It is an arithmetic number, because the mean of its divisors is an integer number (157228846).

Almost surely, 2^314457691 is an apocalyptic number.

314457691 is a deficient number, since it is larger than the sum of its proper divisors (1).

314457691 is an equidigital number, since it uses as much as digits as its factorization.

314457691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 314457691 is about 17732.9549427048. The cubic root of 314457691 is about 680.0185195360.

The spelling of 314457691 in words is "three hundred fourteen million, four hundred fifty-seven thousand, six hundred ninety-one".