25973998 has 4 divisors (see below), whose sum is σ = 38961000. Its totient is φ = 12986998.

The previous prime is 25973989. The next prime is 25974017. The reversal of 25973998 is 89937952.

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

It is a congruent number.

It is an unprimeable number.

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, 6493498 + ... + 6493501.

It is an arithmetic number, because the mean of its divisors is an integer number (9740250).

Almost surely, 2^25973998 is an apocalyptic number.

25973998 is a deficient number, since it is larger than the sum of its proper divisors (12987002).

25973998 is a wasteful number, since it uses less digits than its factorization.

25973998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987001.

The product of its digits is 1224720, while the sum is 52.

The square root of 25973998 is about 5096.4691699254. The cubic root of 25973998 is about 296.1508164357.

The spelling of 25973998 in words is "twenty-five million, nine hundred seventy-three thousand, nine hundred ninety-eight".