2897665125 has 16 divisors (see below), whose sum is σ = 4821715392. Its totient is φ = 1545421200.

The previous prime is 2897665117. The next prime is 2897665157. The reversal of 2897665125 is 5215667982.

It is not a de Polignac number, because 2897665125 - 2³ = 2897665117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3863179 + ... + 3863928.

It is an arithmetic number, because the mean of its divisors is an integer number (301357212).

Almost surely, 2^2897665125 is an apocalyptic number.

2897665125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2897665125 is a deficient number, since it is larger than the sum of its proper divisors (1924050267).

2897665125 is an equidigital number, since it uses as much as digits as its factorization.

2897665125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727125 (or 7727115 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 2897665125 is about 53829.9649358979. The cubic root of 2897665125 is about 1425.6603280059.

The spelling of 2897665125 in words is "two billion, eight hundred ninety-seven million, six hundred sixty-five thousand, one hundred twenty-five".