25404842 has 8 divisors (see below), whose sum is σ = 38186976. Its totient is φ = 12675852.

The previous prime is 25404839. The next prime is 25404887. The reversal of 25404842 is 24840452.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12068 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (4773372).

Almost surely, 2^25404842 is an apocalyptic number.

25404842 is a deficient number, since it is larger than the sum of its proper divisors (12782134).

25404842 is a wasteful number, since it uses less digits than its factorization.

25404842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26572.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 25404842 is about 5040.3216167225. The cubic root of 25404842 is about 293.9716834529.

The spelling of 25404842 in words is "twenty-five million, four hundred four thousand, eight hundred forty-two".