25848559 has 4 divisors (see below), whose sum is σ = 28198440. Its totient is φ = 23498680.

The previous prime is 25848553. The next prime is 25848583. The reversal of 25848559 is 95584852.

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 25848559 - 2¹⁵ = 25815791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25848553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174924 + ... + 1174945.

It is an arithmetic number, because the mean of its divisors is an integer number (7049610).

Almost surely, 2^25848559 is an apocalyptic number.

25848559 is a deficient number, since it is larger than the sum of its proper divisors (2349881).

25848559 is a wasteful number, since it uses less digits than its factorization.

25848559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349880.

The product of its digits is 576000, while the sum is 46.

The square root of 25848559 is about 5084.1478145310. The cubic root of 25848559 is about 295.6733026601.

The spelling of 25848559 in words is "twenty-five million, eight hundred forty-eight thousand, five hundred fifty-nine".