25983859 has 16 divisors (see below), whose sum is σ = 30541824. Its totient is φ = 21859200.

The previous prime is 25983851. The next prime is 25983863. The reversal of 25983859 is 95838952.

It is not a de Polignac number, because 25983859 - 2³ = 25983851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25983851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6187 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (1908864).

Almost surely, 2^25983859 is an apocalyptic number.

25983859 is a deficient number, since it is larger than the sum of its proper divisors (4557965).

25983859 is a wasteful number, since it uses less digits than its factorization.

25983859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378.

The product of its digits is 777600, while the sum is 49.

The square root of 25983859 is about 5097.4365126012. The cubic root of 25983859 is about 296.1882894720.

The spelling of 25983859 in words is "twenty-five million, nine hundred eighty-three thousand, eight hundred fifty-nine".