2645625 has 40 divisors (see below), whose sum is σ = 4723488. Its totient is φ = 1312000.

The previous prime is 2645603. The next prime is 2645639. The reversal of 2645625 is 5265462.

It is not a de Polignac number, because 2645625 - 2⁶ = 2645561 is a prime.

2645625 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2645592 and 2645601.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31834 + ... + 31916.

2^2645625 is an apocalyptic number.

2645625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2645625 is a deficient number, since it is larger than the sum of its proper divisors (2077863).

2645625 is an equidigital number, since it uses as much as digits as its factorization.

2645625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 108 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2645625 is about 1626.5377339613. The cubic root of 2645625 is about 138.3065543880.

The spelling of 2645625 in words is "two million, six hundred forty-five thousand, six hundred twenty-five".