25542044 has 24 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 11412080.

The previous prime is 25542031. The next prime is 25542071. The reversal of 25542044 is 44024552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324 + ... + 7515.

It is an arithmetic number, because the mean of its divisors is an integer number (2066400).

Almost surely, 2^25542044 is an apocalyptic number.

It is an amenable number.

25542044 is a deficient number, since it is larger than the sum of its proper divisors (24051556).

25542044 is a wasteful number, since it uses less digits than its factorization.

25542044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913 (or 9911 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 25542044 is about 5053.9137309614. The cubic root of 25542044 is about 294.4999437912.

Adding to 25542044 its reverse (44024552), we get a palindrome (69566596).

The spelling of 25542044 in words is "twenty-five million, five hundred forty-two thousand, forty-four".