297894725 has 24 divisors (see below), whose sum is σ = 380933952. Its totient is φ = 230947200.

The previous prime is 297894721. The next prime is 297894739. The reversal of 297894725 is 527498792.

It is not a de Polignac number, because 297894725 - 2² = 297894721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297894721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166184 + ... + 167966.

It is an arithmetic number, because the mean of its divisors is an integer number (15872248).

Almost surely, 2^297894725 is an apocalyptic number.

297894725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

297894725 is a deficient number, since it is larger than the sum of its proper divisors (83039227).

297894725 is a wasteful number, since it uses less digits than its factorization.

297894725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1992 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 297894725 is about 17259.6270237801. The cubic root of 297894725 is about 667.8633388726.

The spelling of 297894725 in words is "two hundred ninety-seven million, eight hundred ninety-four thousand, seven hundred twenty-five".