25808054 has 4 divisors (see below), whose sum is σ = 38712084. Its totient is φ = 12904026.

The previous prime is 25808033. The next prime is 25808059. The reversal of 25808054 is 45080852.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25808054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25808059) by changing a digit.

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 as a sum of consecutive naturals, namely, 6452012 + ... + 6452015.

It is an arithmetic number, because the mean of its divisors is an integer number (9678021).

Almost surely, 2^25808054 is an apocalyptic number.

25808054 is a deficient number, since it is larger than the sum of its proper divisors (12904030).

25808054 is a wasteful number, since it uses less digits than its factorization.

25808054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904029.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25808054 is about 5080.1627926672. The cubic root of 25808054 is about 295.5187807231.

The spelling of 25808054 in words is "twenty-five million, eight hundred eight thousand, fifty-four".