25791798 has 32 divisors (see below), whose sum is σ = 52668000. Its totient is φ = 8418816.

The previous prime is 25791781. The next prime is 25791811. The reversal of 25791798 is 89719752.

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, 73728 + ... + 74076.

It is an arithmetic number, because the mean of its divisors is an integer number (1645875).

Almost surely, 2^25791798 is an apocalyptic number.

25791798 is an abundant number, since it is smaller than the sum of its proper divisors (26876202).

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

25791798 is a wasteful number, since it uses less digits than its factorization.

25791798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 317520, while the sum is 48.

The square root of 25791798 is about 5078.5625919152. The cubic root of 25791798 is about 295.4567204803.

The spelling of 25791798 in words is "twenty-five million, seven hundred ninety-one thousand, seven hundred ninety-eight".