25361625 has 16 divisors (see below), whose sum is σ = 42202368. Its totient is φ = 13526000.

The previous prime is 25361621. The next prime is 25361629. The reversal of 25361625 is 52616352.

It is an interprime number because it is at equal distance from previous prime (25361621) and next prime (25361629).

It is not a de Polignac number, because 25361625 - 2² = 25361621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25361592 and 25361601.

It is not an unprimeable number, because it can be changed into a prime (25361621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33441 + ... + 34190.

It is an arithmetic number, because the mean of its divisors is an integer number (2637648).

Almost surely, 2^25361625 is an apocalyptic number.

25361625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25361625 is a deficient number, since it is larger than the sum of its proper divisors (16840743).

25361625 is an equidigital number, since it uses as much as digits as its factorization.

25361625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67649 (or 67639 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 25361625 is about 5036.0326647074. The cubic root of 25361625 is about 293.8048939210.

Adding to 25361625 its reverse (52616352), we get a palindrome (77977977).

The spelling of 25361625 in words is "twenty-five million, three hundred sixty-one thousand, six hundred twenty-five".