25523625 has 32 divisors (see below), whose sum is σ = 43954560. Its totient is φ = 13137600.

The previous prime is 25523623. The next prime is 25523627. The reversal of 25523625 is 52632552.

It is an interprime number because it is at equal distance from previous prime (25523623) and next prime (25523627).

It is not a de Polignac number, because 25523625 - 2¹ = 25523623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25523592 and 25523601.

It is not an unprimeable number, because it can be changed into a prime (25523621) 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 31 ways as a sum of consecutive naturals, for example, 9702 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (1373580).

Almost surely, 2^25523625 is an apocalyptic number.

25523625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25523625 is a deficient number, since it is larger than the sum of its proper divisors (18430935).

25523625 is a wasteful number, since it uses less digits than its factorization.

25523625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394 (or 2384 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 25523625 is about 5052.0911511967. The cubic root of 25523625 is about 294.4291363691.

The spelling of 25523625 in words is "twenty-five million, five hundred twenty-three thousand, six hundred twenty-five".