25065500 has 24 divisors (see below), whose sum is σ = 54744144. Its totient is φ = 10026000.

The previous prime is 25065493. The next prime is 25065511. The reversal of 25065500 is 556052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24566 + ... + 25565.

It is an arithmetic number, because the mean of its divisors is an integer number (2281006).

Almost surely, 2^25065500 is an apocalyptic number.

25065500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25065500 is an abundant number, since it is smaller than the sum of its proper divisors (29678644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25065500 is a wasteful number, since it uses less digits than its factorization.

25065500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50150 (or 50138 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25065500 is about 5006.5457153610. The cubic root of 25065500 is about 292.6569153431.

The spelling of 25065500 in words is "twenty-five million, sixty-five thousand, five hundred".