25799893 has 4 divisors (see below), whose sum is σ = 29485600. Its totient is φ = 22114188.

The previous prime is 25799887. The next prime is 25799911. The reversal of 25799893 is 39899752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25799893 - 2⁵ = 25799861 is a prime.

It is a super-2 number, since 2×25799893² = 1331268957622898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25799893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25799833) 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, 1842843 + ... + 1842856.

It is an arithmetic number, because the mean of its divisors is an integer number (7371400).

Almost surely, 2^25799893 is an apocalyptic number.

It is an amenable number.

25799893 is a deficient number, since it is larger than the sum of its proper divisors (3685707).

25799893 is an equidigital number, since it uses as much as digits as its factorization.

25799893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685706.

The product of its digits is 1224720, while the sum is 52.

The square root of 25799893 is about 5079.3595068670. The cubic root of 25799893 is about 295.4876278767.

The spelling of 25799893 in words is "twenty-five million, seven hundred ninety-nine thousand, eight hundred ninety-three".