25982542 has 8 divisors (see below), whose sum is σ = 39319056. Its totient is φ = 12876192.

The previous prime is 25982531. The next prime is 25982563. The reversal of 25982542 is 24528952.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 57258 + ... + 57709.

It is an arithmetic number, because the mean of its divisors is an integer number (4914882).

Almost surely, 2^25982542 is an apocalyptic number.

25982542 is a deficient number, since it is larger than the sum of its proper divisors (13336514).

25982542 is a wasteful number, since it uses less digits than its factorization.

25982542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115082.

The product of its digits is 57600, while the sum is 37.

The square root of 25982542 is about 5097.3073283843. The cubic root of 25982542 is about 296.1832852555.

The spelling of 25982542 in words is "twenty-five million, nine hundred eighty-two thousand, five hundred forty-two".