473257657 has 2 divisors, whose sum is σ = 473257658. Its totient is φ = 473257656.

The previous prime is 473257633. The next prime is 473257667. The reversal of 473257657 is 756752374.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337861161 + 135396496 = 18381^2 + 11636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473257657 is a prime.

It is not a weakly prime, because it can be changed into another prime (473257627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236628828 + 236628829.

It is an arithmetic number, because the mean of its divisors is an integer number (236628829).

Almost surely, 2^473257657 is an apocalyptic number.

It is an amenable number.

473257657 is a deficient number, since it is larger than the sum of its proper divisors (1).

473257657 is an equidigital number, since it uses as much as digits as its factorization.

473257657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 46.

The square root of 473257657 is about 21754.4859052104. The cubic root of 473257657 is about 779.2902029574.

The spelling of 473257657 in words is "four hundred seventy-three million, two hundred fifty-seven thousand, six hundred fifty-seven".