2625689 has 8 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 2304400.

The previous prime is 2625671. The next prime is 2625691. The reversal of 2625689 is 9865262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2625689 - 2⁸ = 2625433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2625619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3797 + ... + 4434.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

2^2625689 is an apocalyptic number.

2625689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2625689 is a deficient number, since it is larger than the sum of its proper divisors (337831).

2625689 is a wasteful number, since it uses less digits than its factorization.

2625689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271.

The product of its digits is 51840, while the sum is 38.

The square root of 2625689 is about 1620.3977906675. The cubic root of 2625689 is about 137.9582769617.

The spelling of 2625689 in words is "two million, six hundred twenty-five thousand, six hundred eighty-nine".