25955625 has 40 divisors (see below), whose sum is σ = 43985920. Its totient is φ = 13608000.

The previous prime is 25955621. The next prime is 25955627. The reversal of 25955625 is 52655952.

It is not a de Polignac number, because 25955625 - 2² = 25955621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25955621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 204312 + ... + 204438.

It is an arithmetic number, because the mean of its divisors is an integer number (1099648).

Almost surely, 2^25955625 is an apocalyptic number.

25955625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25955625 is a deficient number, since it is larger than the sum of its proper divisors (18030295).

25955625 is a wasteful number, since it uses less digits than its factorization.

25955625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 244 counting only the distinct ones).

The product of its digits is 135000, while the sum is 39.

The square root of 25955625 is about 5094.6663286225. Note that the first 3 decimals coincide. The cubic root of 25955625 is about 296.0809714261.

The spelling of 25955625 in words is "twenty-five million, nine hundred fifty-five thousand, six hundred twenty-five".