25788319 has 4 divisors (see below), whose sum is σ = 25807680. Its totient is φ = 25768960.

The previous prime is 25788317. The next prime is 25788331. The reversal of 25788319 is 91388752.

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 25788319 - 2¹ = 25788317 is a prime.

It is a super-2 number, since 2×25788319² = 1330074793691522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25788317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7522 + ... + 10399.

It is an arithmetic number, because the mean of its divisors is an integer number (6451920).

Almost surely, 2^25788319 is an apocalyptic number.

25788319 is a deficient number, since it is larger than the sum of its proper divisors (19361).

25788319 is a wasteful number, since it uses less digits than its factorization.

25788319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19360.

The product of its digits is 120960, while the sum is 43.

The square root of 25788319 is about 5078.2200621871. The cubic root of 25788319 is about 295.4434353764.

The spelling of 25788319 in words is "twenty-five million, seven hundred eighty-eight thousand, three hundred nineteen".