25982371 has 4 divisors (see below), whose sum is σ = 26820544. Its totient is φ = 25144200.

The previous prime is 25982357. The next prime is 25982413. The reversal of 25982371 is 17328952.

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

It is a cyclic number.

It is not a de Polignac number, because 25982371 - 2⁵ = 25982339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25982371.

It is not an unprimeable number, because it can be changed into a prime (25982321) by changing a digit.

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, 419040 + ... + 419101.

It is an arithmetic number, because the mean of its divisors is an integer number (6705136).

Almost surely, 2^25982371 is an apocalyptic number.

25982371 is a deficient number, since it is larger than the sum of its proper divisors (838173).

25982371 is an equidigital number, since it uses as much as digits as its factorization.

25982371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838172.

The product of its digits is 30240, while the sum is 37.

The square root of 25982371 is about 5097.2905547948. The cubic root of 25982371 is about 296.1826354929.

The spelling of 25982371 in words is "twenty-five million, nine hundred eighty-two thousand, three hundred seventy-one".