25790259 has 8 divisors (see below), whose sum is σ = 37513152. Its totient is φ = 15630440.

The previous prime is 25790231. The next prime is 25790267. The reversal of 25790259 is 95209752.

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

It is a cyclic number.

It is not a de Polignac number, because 25790259 - 2⁵ = 25790227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25790299) 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, 390729 + ... + 390794.

It is an arithmetic number, because the mean of its divisors is an integer number (4689144).

Almost surely, 2^25790259 is an apocalyptic number.

25790259 is a deficient number, since it is larger than the sum of its proper divisors (11722893).

25790259 is a wasteful number, since it uses less digits than its factorization.

25790259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781537.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 25790259 is about 5078.4110704038. The cubic root of 25790259 is about 295.4508437162.

The spelling of 25790259 in words is "twenty-five million, seven hundred ninety thousand, two hundred fifty-nine".