297052189 has 4 divisors (see below), whose sum is σ = 339488224. Its totient is φ = 254616156.

The previous prime is 297052187. The next prime is 297052207. The reversal of 297052189 is 981250792.

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 not a de Polignac number, because 297052189 - 2¹ = 297052187 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 (297052187) 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, 21218007 + ... + 21218020.

It is an arithmetic number, because the mean of its divisors is an integer number (84872056).

Almost surely, 2^297052189 is an apocalyptic number.

It is an amenable number.

297052189 is a deficient number, since it is larger than the sum of its proper divisors (42436035).

297052189 is an equidigital number, since it uses as much as digits as its factorization.

297052189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42436034.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 297052189 is about 17235.2020295673. The cubic root of 297052189 is about 667.2331047799.

The spelling of 297052189 in words is "two hundred ninety-seven million, fifty-two thousand, one hundred eighty-nine".