25852459 has 4 divisors (see below), whose sum is σ = 25868304. Its totient is φ = 25836616.

The previous prime is 25852451. The next prime is 25852487. The reversal of 25852459 is 95425852.

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 25852459 - 2³ = 25852451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25852451) 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, 5152 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (6467076).

Almost surely, 2^25852459 is an apocalyptic number.

25852459 is a deficient number, since it is larger than the sum of its proper divisors (15845).

25852459 is a wasteful number, since it uses less digits than its factorization.

25852459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15844.

The product of its digits is 144000, while the sum is 40.

The square root of 25852459 is about 5084.5313451684. The cubic root of 25852459 is about 295.6881721917.

The spelling of 25852459 in words is "twenty-five million, eight hundred fifty-two thousand, four hundred fifty-nine".