25952980 has 12 divisors (see below), whose sum is σ = 54501300. Its totient is φ = 10381184.

The previous prime is 25952933. The next prime is 25952989. The reversal of 25952980 is 8925952.

It can be written as a sum of positive squares in 2 ways, for example, as 5846724 + 20106256 = 2418^2 + 4484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25952989) 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, 648805 + ... + 648844.

It is an arithmetic number, because the mean of its divisors is an integer number (4541775).

Almost surely, 2^25952980 is an apocalyptic number.

25952980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25952980 is an abundant number, since it is smaller than the sum of its proper divisors (28548320).

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

25952980 is a wasteful number, since it uses less digits than its factorization.

25952980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297658 (or 1297656 counting only the distinct ones).

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

The square root of 25952980 is about 5094.4067368046. The cubic root of 25952980 is about 296.0709137376.

The spelling of 25952980 in words is "twenty-five million, nine hundred fifty-two thousand, nine hundred eighty".