2502056665 has 4 divisors (see below), whose sum is σ = 3002468004. Its totient is φ = 2001645328.

The previous prime is 2502056659. The next prime is 2502056671. The reversal of 2502056665 is 5666502052.

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

It is an interprime number because it is at equal distance from previous prime (2502056659) and next prime (2502056671).

It can be written as a sum of positive squares in 2 ways, for example, as 282139209 + 2219917456 = 16797^2 + 47116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502056665 - 2³ = 2502056657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250205662 + ... + 250205671.

It is an arithmetic number, because the mean of its divisors is an integer number (750617001).

Almost surely, 2^2502056665 is an apocalyptic number.

It is an amenable number.

2502056665 is a deficient number, since it is larger than the sum of its proper divisors (500411339).

2502056665 is an equidigital number, since it uses as much as digits as its factorization.

2502056665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500411338.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2502056665 is about 50020.5624218681. The cubic root of 2502056665 is about 1357.5808827989.

The spelling of 2502056665 in words is "two billion, five hundred two million, fifty-six thousand, six hundred sixty-five".