25450980 has 48 divisors (see below), whose sum is σ = 73725120. Its totient is φ = 6552448.

The previous prime is 25450963. The next prime is 25450993. The reversal of 25450980 is 8905452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5574 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (1535940).

Almost surely, 2^25450980 is an apocalyptic number.

25450980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25450980 is an abundant number, since it is smaller than the sum of its proper divisors (48274140).

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

25450980 is a wasteful number, since it uses less digits than its factorization.

25450980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14668 (or 14666 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 25450980 is about 5044.8964310479. The cubic root of 25450980 is about 294.1495375146.

The spelling of 25450980 in words is "twenty-five million, four hundred fifty thousand, nine hundred eighty".