25982369 has 8 divisors (see below), whose sum is σ = 29859648. Its totient is φ = 22146480.

The previous prime is 25982357. The next prime is 25982413. The reversal of 25982369 is 96328952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25982369 - 2⁴ = 25982353 is a prime.

It is a super-2 number, since 2×25982369² = 1350166997704322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25982339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8987 + ... + 11520.

It is an arithmetic number, because the mean of its divisors is an integer number (3732456).

Almost surely, 2^25982369 is an apocalyptic number.

It is an amenable number.

25982369 is a deficient number, since it is larger than the sum of its proper divisors (3877279).

25982369 is a wasteful number, since it uses less digits than its factorization.

25982369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20695.

The product of its digits is 233280, while the sum is 44.

The square root of 25982369 is about 5097.2903586121. The cubic root of 25982369 is about 296.1826278933.

It can be divided in two parts, 259 and 82369, that added together give a palindrome (82628).

The spelling of 25982369 in words is "twenty-five million, nine hundred eighty-two thousand, three hundred sixty-nine".