25822625 has 16 divisors (see below), whose sum is σ = 32374992. Its totient is φ = 20563200.

The previous prime is 25822619. The next prime is 25822637. The reversal of 25822625 is 52622852.

It can be written as a sum of positive squares in 8 ways, for example, as 20286016 + 5536609 = 4504^2 + 2353^2 .

It is not a de Polignac number, because 25822625 - 2⁸ = 25822369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25822591 and 25822600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41819 + ... + 42431.

It is an arithmetic number, because the mean of its divisors is an integer number (2023437).

Almost surely, 2^25822625 is an apocalyptic number.

25822625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25822625 is a deficient number, since it is larger than the sum of its proper divisors (6552367).

25822625 is an equidigital number, since it uses as much as digits as its factorization.

25822625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 955 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 25822625 is about 5081.5966978894. The cubic root of 25822625 is about 295.5743860267.

The spelling of 25822625 in words is "twenty-five million, eight hundred twenty-two thousand, six hundred twenty-five".