25873438 has 8 divisors (see below), whose sum is σ = 38860560. Its totient is φ = 12919920.

The previous prime is 25873427. The next prime is 25873451. The reversal of 25873438 is 83437852.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25873438.

It is a congruent number.

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, 6378 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (4857570).

Almost surely, 2^25873438 is an apocalyptic number.

25873438 is a deficient number, since it is larger than the sum of its proper divisors (12987122).

25873438 is a wasteful number, since it uses less digits than its factorization.

25873438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16802.

The product of its digits is 161280, while the sum is 40.

The square root of 25873438 is about 5086.5939488031. The cubic root of 25873438 is about 295.7681331858.

The spelling of 25873438 in words is "twenty-five million, eight hundred seventy-three thousand, four hundred thirty-eight".