25959725 has 12 divisors (see below), whose sum is σ = 35116800. Its totient is φ = 18879600.

The previous prime is 25959721. The next prime is 25959733. The reversal of 25959725 is 52795952.

It is not a de Polignac number, because 25959725 - 2² = 25959721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25959721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46925 + ... + 47474.

It is an arithmetic number, because the mean of its divisors is an integer number (2926400).

Almost surely, 2^25959725 is an apocalyptic number.

25959725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25959725 is a deficient number, since it is larger than the sum of its proper divisors (9157075).

25959725 is a wasteful number, since it uses less digits than its factorization.

25959725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94420 (or 94415 counting only the distinct ones).

The product of its digits is 283500, while the sum is 44.

The square root of 25959725 is about 5095.0686943357. The cubic root of 25959725 is about 296.0965604435.

The spelling of 25959725 in words is "twenty-five million, nine hundred fifty-nine thousand, seven hundred twenty-five".