452397717 has 28 divisors (see below), whose sum is σ = 687658764. Its totient is φ = 297432000.

The previous prime is 452397713. The next prime is 452397719. The reversal of 452397717 is 717793254.

It can be written as a sum of positive squares in 2 ways, for example, as 132917841 + 319479876 = 11529^2 + 17874^2 .

It is not a de Polignac number, because 452397717 - 2² = 452397713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452397713) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 48967 + ... + 57467.

Almost surely, 2^452397717 is an apocalyptic number.

It is an amenable number.

452397717 is a deficient number, since it is larger than the sum of its proper divisors (235261047).

452397717 is an frugal number, since it uses more digits than its factorization.

452397717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8592 (or 8577 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 452397717 is about 21269.6430858630. The cubic root of 452397717 is about 767.6680541785.

The spelling of 452397717 in words is "four hundred fifty-two million, three hundred ninety-seven thousand, seven hundred seventeen".