25680359 has 4 divisors (see below), whose sum is σ = 25708704. Its totient is φ = 25652016.

The previous prime is 25680337. The next prime is 25680367. The reversal of 25680359 is 95308652.

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 25680359 - 2⁸ = 25680103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25680379) 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, 12767 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (6427176).

Almost surely, 2^25680359 is an apocalyptic number.

25680359 is a deficient number, since it is larger than the sum of its proper divisors (28345).

25680359 is an equidigital number, since it uses as much as digits as its factorization.

25680359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28344.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25680359 is about 5067.5792051038. The cubic root of 25680359 is about 295.0305780809.

The spelling of 25680359 in words is "twenty-five million, six hundred eighty thousand, three hundred fifty-nine".