2605625 has 20 divisors (see below), whose sum is σ = 3561360. Its totient is φ = 1890000.

The previous prime is 2605613. The next prime is 2605627. The reversal of 2605625 is 5265062.

It is a happy number.

2605625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2605625 - 2⁴ = 2605609 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2605594 and 2605603.

It is not an unprimeable number, because it can be changed into a prime (2605627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6686 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (178068).

2^2605625 is an apocalyptic number.

2605625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2605625 is a deficient number, since it is larger than the sum of its proper divisors (955735).

2605625 is an equidigital number, since it uses as much as digits as its factorization.

2605625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2605625 is about 1614.1948457358. The cubic root of 2605625 is about 137.6059789012.

It can be divided in two parts, 260 and 5625, that added together give a palindrome (5885).

The spelling of 2605625 in words is "two million, six hundred five thousand, six hundred twenty-five".