25925980 has 24 divisors (see below), whose sum is σ = 54698112. Its totient is φ = 10322112.

The previous prime is 25925959. The next prime is 25925989. The reversal of 25925980 is 8952952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25925989) 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 7 ways as a sum of consecutive naturals, for example, 1554 + ... + 7366.

It is an arithmetic number, because the mean of its divisors is an integer number (2279088).

Almost surely, 2^25925980 is an apocalyptic number.

25925980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25925980 is an abundant number, since it is smaller than the sum of its proper divisors (28772132).

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

25925980 is a wasteful number, since it uses less digits than its factorization.

25925980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045 (or 6043 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 25925980 is about 5091.7560821390. The cubic root of 25925980 is about 295.9682063490.

The spelling of 25925980 in words is "twenty-five million, nine hundred twenty-five thousand, nine hundred eighty".