2525625 has 30 divisors (see below), whose sum is σ = 4568850. Its totient is φ = 1344000.

The previous prime is 2525623. The next prime is 2525629. The reversal of 2525625 is 5265252.

2525625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 853776 + 1671849 = 924^2 + 1293^2 .

It is not a de Polignac number, because 2525625 - 2¹ = 2525623 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2525623) 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 29 ways as a sum of consecutive naturals, for example, 5401 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (152295).

2^2525625 is an apocalyptic number.

2525625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2525625 is a deficient number, since it is larger than the sum of its proper divisors (2043225).

2525625 is an equidigital number, since it uses as much as digits as its factorization.

2525625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 457 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 2525625 is about 1589.2215075313. The cubic root of 2525625 is about 136.1830184473.

It can be divided in two parts, 25256 and 25, that added together give a square (25281 = 159²).

The spelling of 2525625 in words is "two million, five hundred twenty-five thousand, six hundred twenty-five".