25264280 has 32 divisors (see below), whose sum is σ = 57032640. Its totient is φ = 10072320.

The previous prime is 25264277. The next prime is 25264297. The reversal of 25264280 is 8246252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13820 + ... + 15540.

It is an arithmetic number, because the mean of its divisors is an integer number (1782270).

Almost surely, 2^25264280 is an apocalyptic number.

25264280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25264280 is an abundant number, since it is smaller than the sum of its proper divisors (31768360).

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

25264280 is a wasteful number, since it uses less digits than its factorization.

25264280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 25264280 is about 5026.3585228274. The cubic root of 25264280 is about 293.4285102077.

The spelling of 25264280 in words is "twenty-five million, two hundred sixty-four thousand, two hundred eighty".