25605125 has 32 divisors (see below), whose sum is σ = 39346944. Its totient is φ = 16200000.

The previous prime is 25605119. The next prime is 25605137. The reversal of 25605125 is 52150652.

It is not a de Polignac number, because 25605125 - 2⁴ = 25605109 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25605094 and 25605103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10250 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (1229592).

Almost surely, 2^25605125 is an apocalyptic number.

25605125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25605125 is a deficient number, since it is larger than the sum of its proper divisors (13741819).

25605125 is a wasteful number, since it uses less digits than its factorization.

25605125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 25605125 is about 5060.1506894558. The cubic root of 25605125 is about 294.7421859346.

Adding to 25605125 its reverse (52150652), we get a palindrome (77755777).

The spelling of 25605125 in words is "twenty-five million, six hundred five thousand, one hundred twenty-five".