25788361 has 4 divisors (see below), whose sum is σ = 25803792. Its totient is φ = 25772932.

The previous prime is 25788353. The next prime is 25788379. The reversal of 25788361 is 16388752.

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 25788361 - 2³ = 25788353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25788331) 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, 4855 + ... + 8668.

It is an arithmetic number, because the mean of its divisors is an integer number (6450948).

Almost surely, 2^25788361 is an apocalyptic number.

It is an amenable number.

25788361 is a deficient number, since it is larger than the sum of its proper divisors (15431).

25788361 is a wasteful number, since it uses less digits than its factorization.

25788361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15430.

The product of its digits is 80640, while the sum is 40.

The square root of 25788361 is about 5078.2241974927. The cubic root of 25788361 is about 295.4435957671.

The spelling of 25788361 in words is "twenty-five million, seven hundred eighty-eight thousand, three hundred sixty-one".