493095857 has 2 divisors, whose sum is σ = 493095858. Its totient is φ = 493095856.

The previous prime is 493095839. The next prime is 493095871. The reversal of 493095857 is 758590394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305515441 + 187580416 = 17479^2 + 13696^2 .

It is a cyclic number.

It is not a de Polignac number, because 493095857 - 2⁶ = 493095793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493095157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246547928 + 246547929.

It is an arithmetic number, because the mean of its divisors is an integer number (246547929).

Almost surely, 2^493095857 is an apocalyptic number.

It is an amenable number.

493095857 is a deficient number, since it is larger than the sum of its proper divisors (1).

493095857 is an equidigital number, since it uses as much as digits as its factorization.

493095857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 493095857 is about 22205.7617973354. The cubic root of 493095857 is about 790.0303662952.

The spelling of 493095857 in words is "four hundred ninety-three million, ninety-five thousand, eight hundred fifty-seven".