25792280 has 32 divisors (see below), whose sum is σ = 59451840. Its totient is φ = 10064640.

The previous prime is 25792271. The next prime is 25792297. The reversal of 25792280 is 8229752.

It is a self number, because there is not a number n which added to its sum of digits gives 25792280.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6224 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (1857870).

Almost surely, 2^25792280 is an apocalyptic number.

25792280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25792280 is an abundant number, since it is smaller than the sum of its proper divisors (33659560).

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

25792280 is a wasteful number, since it uses less digits than its factorization.

25792280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15779 (or 15775 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 25792280 is about 5078.6100460658. The cubic root of 25792280 is about 295.4585609782.

The spelling of 25792280 in words is "twenty-five million, seven hundred ninety-two thousand, two hundred eighty".