25799802 has 32 divisors (see below), whose sum is σ = 59131392. Its totient is φ = 7351344.

The previous prime is 25799791. The next prime is 25799833. The reversal of 25799802 is 20899752.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22413 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (1847856).

Almost surely, 2^25799802 is an apocalyptic number.

25799802 is an abundant number, since it is smaller than the sum of its proper divisors (33331590).

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

25799802 is a wasteful number, since it uses less digits than its factorization.

25799802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 25799802 is about 5079.3505490368. The cubic root of 25799802 is about 295.4872804669.

The spelling of 25799802 in words is "twenty-five million, seven hundred ninety-nine thousand, eight hundred two".