457997173 has 2 divisors, whose sum is σ = 457997174. Its totient is φ = 457997172.

The previous prime is 457997143. The next prime is 457997191. The reversal of 457997173 is 371799754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245799684 + 212197489 = 15678^2 + 14567^2 .

It is a cyclic number.

It is not a de Polignac number, because 457997173 - 2⁹ = 457996661 is a prime.

It is a super-2 number, since 2×457997173² = 419522820951983858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 457997173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457997143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228998586 + 228998587.

It is an arithmetic number, because the mean of its divisors is an integer number (228998587).

Almost surely, 2^457997173 is an apocalyptic number.

It is an amenable number.

457997173 is a deficient number, since it is larger than the sum of its proper divisors (1).

457997173 is an equidigital number, since it uses as much as digits as its factorization.

457997173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 52.

The square root of 457997173 is about 21400.8685104133. The cubic root of 457997173 is about 770.8222918454.

The spelling of 457997173 in words is "four hundred fifty-seven million, nine hundred ninety-seven thousand, one hundred seventy-three".