2897252089 has 4 divisors (see below), whose sum is σ = 2905459956. Its totient is φ = 2889044224.

The previous prime is 2897252077. The next prime is 2897252129. The reversal of 2897252089 is 9802527982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1097795689 + 1799456400 = 33133^2 + 42420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897252089 - 2⁷ = 2897251961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2897252989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4103404 + ... + 4104109.

It is an arithmetic number, because the mean of its divisors is an integer number (726364989).

Almost surely, 2^2897252089 is an apocalyptic number.

It is an amenable number.

2897252089 is a deficient number, since it is larger than the sum of its proper divisors (8207867).

2897252089 is an equidigital number, since it uses as much as digits as its factorization.

2897252089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207866.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2897252089 is about 53826.1283114437. The cubic root of 2897252089 is about 1425.5925864514.

The spelling of 2897252089 in words is "two billion, eight hundred ninety-seven million, two hundred fifty-two thousand, eighty-nine".