25869885 has 16 divisors (see below), whose sum is σ = 42819840. Its totient is φ = 13321280.

The previous prime is 25869859. The next prime is 25869889. The reversal of 25869885 is 58896852.

It is not a de Polignac number, because 25869885 - 2⁶ = 25869821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25869889) 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, 29301 + ... + 30170.

It is an arithmetic number, because the mean of its divisors is an integer number (2676240).

Almost surely, 2^25869885 is an apocalyptic number.

It is an amenable number.

25869885 is a deficient number, since it is larger than the sum of its proper divisors (16949955).

25869885 is a wasteful number, since it uses less digits than its factorization.

25869885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59508.

The product of its digits is 1382400, while the sum is 51.

The square root of 25869885 is about 5086.2446854236. The cubic root of 25869885 is about 295.7545940460.

The spelling of 25869885 in words is "twenty-five million, eight hundred sixty-nine thousand, eight hundred eighty-five".