297252552 has 128 divisors (see below), whose sum is σ = 829440000. Its totient is φ = 88408320.

The previous prime is 297252547. The next prime is 297252563. The reversal of 297252552 is 255252792.

It is a self number, because there is not a number n which added to its sum of digits gives 297252552.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495949 + ... + 496547.

It is an arithmetic number, because the mean of its divisors is an integer number (6480000).

Almost surely, 2^297252552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297252552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414720000).

297252552 is an abundant number, since it is smaller than the sum of its proper divisors (532187448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297252552 is a wasteful number, since it uses less digits than its factorization.

297252552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 687 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 297252552 is about 17241.0136592951. The cubic root of 297252552 is about 667.3830882788.

The spelling of 297252552 in words is "two hundred ninety-seven million, two hundred fifty-two thousand, five hundred fifty-two".