25325625 has 40 divisors (see below), whose sum is σ = 45485440. Its totient is φ = 12456000.

The previous prime is 25325623. The next prime is 25325627. The reversal of 25325625 is 52652352.

It is an interprime number because it is at equal distance from previous prime (25325623) and next prime (25325627).

It is not a de Polignac number, because 25325625 - 2¹ = 25325623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25325592 and 25325601.

It is not an unprimeable number, because it can be changed into a prime (25325623) 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, 23856 + ... + 24894.

It is an arithmetic number, because the mean of its divisors is an integer number (1137136).

Almost surely, 2^25325625 is an apocalyptic number.

25325625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25325625 is a deficient number, since it is larger than the sum of its proper divisors (20159815).

25325625 is a wasteful number, since it uses less digits than its factorization.

25325625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1060 counting only the distinct ones).

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

The square root of 25325625 is about 5032.4571533198. The cubic root of 25325625 is about 293.6658126031.

Adding to 25325625 its reverse (52652352), we get a palindrome (77977977).

It can be divided in two parts, 253 and 25625, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 25325625 in words is "twenty-five million, three hundred twenty-five thousand, six hundred twenty-five".