25968659 has 4 divisors (see below), whose sum is σ = 26864160. Its totient is φ = 25073160.

The previous prime is 25968653. The next prime is 25968661. The reversal of 25968659 is 95686952.

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 25968659 - 2¹⁶ = 25903123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25968653) 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, 447707 + ... + 447764.

It is an arithmetic number, because the mean of its divisors is an integer number (6716040).

Almost surely, 2^25968659 is an apocalyptic number.

25968659 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

25968659 is a deficient number, since it is larger than the sum of its proper divisors (895501).

25968659 is an equidigital number, since it uses as much as digits as its factorization.

25968659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895500.

The product of its digits is 1166400, while the sum is 50.

The square root of 25968659 is about 5095.9453490005. The cubic root of 25968659 is about 296.1305236085.

The spelling of 25968659 in words is "twenty-five million, nine hundred sixty-eight thousand, six hundred fifty-nine".