2625609 has 8 divisors (see below), whose sum is σ = 4000960. Its totient is φ = 1500336.

The previous prime is 2625587. The next prime is 2625613. The reversal of 2625609 is 9065262.

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

It is not a de Polignac number, because 2625609 - 2⁵ = 2625577 is a prime.

It is a Duffinian number.

2625609 is a lucky number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62494 + ... + 62535.

It is an arithmetic number, because the mean of its divisors is an integer number (500120).

2^2625609 is an apocalyptic number.

It is an amenable number.

2625609 is a deficient number, since it is larger than the sum of its proper divisors (1375351).

2625609 is a wasteful number, since it uses less digits than its factorization.

2625609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125039.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2625609 is about 1620.3731051829. The cubic root of 2625609 is about 137.9568758343.

The spelling of 2625609 in words is "two million, six hundred twenty-five thousand, six hundred nine".