25952280 has 64 divisors (see below), whose sum is σ = 81250560. Its totient is φ = 6619008.

The previous prime is 25952261. The next prime is 25952291. The reversal of 25952280 is 8225952.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942 + ... + 7461.

It is an arithmetic number, because the mean of its divisors is an integer number (1269540).

Almost surely, 2^25952280 is an apocalyptic number.

25952280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25952280 is an abundant number, since it is smaller than the sum of its proper divisors (55298280).

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

25952280 is a wasteful number, since it uses less digits than its factorization.

25952280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440 (or 9436 counting only the distinct ones).

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

The square root of 25952280 is about 5094.3380335427. The cubic root of 25952280 is about 296.0682518532.

The spelling of 25952280 in words is "twenty-five million, nine hundred fifty-two thousand, two hundred eighty".