25961369 has 8 divisors (see below), whose sum is σ = 29787648. Its totient is φ = 22164480.

The previous prime is 25961359. The next prime is 25961393. The reversal of 25961369 is 96316952.

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 25961369 - 2⁸ = 25961113 is a prime.

It is a super-2 number, since 2×25961369² = 1347985360708322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25961359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5417 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (3723456).

Almost surely, 2^25961369 is an apocalyptic number.

It is an amenable number.

25961369 is a deficient number, since it is larger than the sum of its proper divisors (3826279).

25961369 is a wasteful number, since it uses less digits than its factorization.

25961369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14695.

The product of its digits is 87480, while the sum is 41.

The square root of 25961369 is about 5095.2300242482. The cubic root of 25961369 is about 296.1028107983.

The spelling of 25961369 in words is "twenty-five million, nine hundred sixty-one thousand, three hundred sixty-nine".