25055980 has 12 divisors (see below), whose sum is σ = 52617600. Its totient is φ = 10022384.

The previous prime is 25055969. The next prime is 25055981. The reversal of 25055980 is 8955052.

It is not an unprimeable number, because it can be changed into a prime (25055981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626380 + ... + 626419.

It is an arithmetic number, because the mean of its divisors is an integer number (4384800).

Almost surely, 2^25055980 is an apocalyptic number.

25055980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25055980 is an abundant number, since it is smaller than the sum of its proper divisors (27561620).

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

25055980 is a wasteful number, since it uses less digits than its factorization.

25055980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252808 (or 1252806 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 25055980 is about 5005.5948697433. The cubic root of 25055980 is about 292.6198598068.

The spelling of 25055980 in words is "twenty-five million, fifty-five thousand, nine hundred eighty".