25499325 has 12 divisors (see below), whose sum is σ = 42159008. Its totient is φ = 13599600.

The previous prime is 25499321. The next prime is 25499359. The reversal of 25499325 is 52399452.

It is not a de Polignac number, because 25499325 - 2² = 25499321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25499321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169921 + ... + 170070.

Almost surely, 2^25499325 is an apocalyptic number.

25499325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25499325 is a deficient number, since it is larger than the sum of its proper divisors (16659683).

25499325 is a wasteful number, since it uses less digits than its factorization.

25499325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340004 (or 339999 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 25499325 is about 5049.6856337796. The cubic root of 25499325 is about 294.3356687189.

The spelling of 25499325 in words is "twenty-five million, four hundred ninety-nine thousand, three hundred twenty-five".