25285859 has 8 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 24630976.

The previous prime is 25285831. The next prime is 25285891. The reversal of 25285859 is 95858252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25285859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25285829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9797 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^25285859 is an apocalyptic number.

25285859 is a deficient number, since it is larger than the sum of its proper divisors (660061).

25285859 is a wasteful number, since it uses less digits than its factorization.

25285859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589.

The product of its digits is 288000, while the sum is 44.

The square root of 25285859 is about 5028.5046485014. The cubic root of 25285859 is about 293.5120285443.

The spelling of 25285859 in words is "twenty-five million, two hundred eighty-five thousand, eight hundred fifty-nine".