457217197 has 4 divisors (see below), whose sum is σ = 481281280. Its totient is φ = 433153116.

The previous prime is 457217153. The next prime is 457217231. The reversal of 457217197 is 791712754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457217197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457217107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12032013 + ... + 12032050.

It is an arithmetic number, because the mean of its divisors is an integer number (120320320).

Almost surely, 2^457217197 is an apocalyptic number.

It is an amenable number.

457217197 is a deficient number, since it is larger than the sum of its proper divisors (24064083).

457217197 is a wasteful number, since it uses less digits than its factorization.

457217197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24064082.

The product of its digits is 123480, while the sum is 43.

The square root of 457217197 is about 21382.6377465457. The cubic root of 457217197 is about 770.3844692679.

The spelling of 457217197 in words is "four hundred fifty-seven million, two hundred seventeen thousand, one hundred ninety-seven".