25242404 has 12 divisors (see below), whose sum is σ = 48190128. Its totient is φ = 11473800.

The previous prime is 25242389. The next prime is 25242439. The reversal of 25242404 is 40424252.

It is a self number, because there is not a number n which added to its sum of digits gives 25242404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286802 + ... + 286889.

It is an arithmetic number, because the mean of its divisors is an integer number (4015844).

Almost surely, 2^25242404 is an apocalyptic number.

It is an amenable number.

25242404 is a deficient number, since it is larger than the sum of its proper divisors (22947724).

25242404 is a wasteful number, since it uses less digits than its factorization.

25242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573706 (or 573704 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 25242404 is about 5024.1819234578. The cubic root of 25242404 is about 293.3437938189.

Adding to 25242404 its reverse (40424252), we get a palindrome (65666656).

The spelling of 25242404 in words is "twenty-five million, two hundred forty-two thousand, four hundred four".