25853259 has 4 divisors (see below), whose sum is σ = 34471016. Its totient is φ = 17235504.

The previous prime is 25853237. The next prime is 25853279. The reversal of 25853259 is 95235852.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25853259 - 2⁵ = 25853227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25853279) 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, 4308874 + ... + 4308879.

It is an arithmetic number, because the mean of its divisors is an integer number (8617754).

Almost surely, 2^25853259 is an apocalyptic number.

25853259 is a deficient number, since it is larger than the sum of its proper divisors (8617757).

25853259 is an equidigital number, since it uses as much as digits as its factorization.

25853259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617756.

The product of its digits is 108000, while the sum is 39.

The square root of 25853259 is about 5084.6100145439. The cubic root of 25853259 is about 295.6912221671.

The spelling of 25853259 in words is "twenty-five million, eight hundred fifty-three thousand, two hundred fifty-nine".