25788823 has 4 divisors (see below), whose sum is σ = 25800208. Its totient is φ = 25777440.

The previous prime is 25788821. The next prime is 25788827. The reversal of 25788823 is 32888752.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25788823 - 2¹ = 25788821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25788823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25788821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1011 + ... + 7252.

It is an arithmetic number, because the mean of its divisors is an integer number (6450052).

Almost surely, 2^25788823 is an apocalyptic number.

25788823 is a deficient number, since it is larger than the sum of its proper divisors (11385).

25788823 is an equidigital number, since it uses as much as digits as its factorization.

25788823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384.

The product of its digits is 215040, while the sum is 43.

The square root of 25788823 is about 5078.2696856311. The cubic root of 25788823 is about 295.4453600530.

The spelling of 25788823 in words is "twenty-five million, seven hundred eighty-eight thousand, eight hundred twenty-three".