25325025 has 24 divisors (see below), whose sum is σ = 45678624. Its totient is φ = 12278400.

The previous prime is 25325023. The next prime is 25325063. The reversal of 25325025 is 52052352.

It is not a de Polignac number, because 25325025 - 2¹ = 25325023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25324986 and 25325004.

It is not an unprimeable number, because it can be changed into a prime (25325021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14524 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (1903276).

Almost surely, 2^25325025 is an apocalyptic number.

25325025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25325025 is a deficient number, since it is larger than the sum of its proper divisors (20353599).

25325025 is a wasteful number, since it uses less digits than its factorization.

25325025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30721 (or 30716 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25325025 is about 5032.3975399406. The cubic root of 25325025 is about 293.6634934648.

Adding to 25325025 its reverse (52052352), we get a palindrome (77377377).

It can be divided in two parts, 2532 and 5025, that added together give a palindrome (7557).

The spelling of 25325025 in words is "twenty-five million, three hundred twenty-five thousand, twenty-five".