25504325 has 24 divisors (see below), whose sum is σ = 39432000. Its totient is φ = 15897600.

The previous prime is 25504321. The next prime is 25504357. The reversal of 25504325 is 52340552.

It is not a de Polignac number, because 25504325 - 2² = 25504321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25504294 and 25504303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25504321) 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, 4700 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (1643000).

Almost surely, 2^25504325 is an apocalyptic number.

25504325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25504325 is a deficient number, since it is larger than the sum of its proper divisors (13927675).

25504325 is a wasteful number, since it uses less digits than its factorization.

25504325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13277 (or 13272 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 25504325 is about 5050.1806898368. The cubic root of 25504325 is about 294.3549055963.

Adding to 25504325 its reverse (52340552), we get a palindrome (77844877).

The spelling of 25504325 in words is "twenty-five million, five hundred four thousand, three hundred twenty-five".