25941621 has 8 divisors (see below), whose sum is σ = 34612704. Its totient is φ = 17282480.

The previous prime is 25941607. The next prime is 25941623. The reversal of 25941621 is 12614952.

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 25941621 - 2⁵ = 25941589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25941623) 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, 5686 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (4326588).

Almost surely, 2^25941621 is an apocalyptic number.

It is an amenable number.

25941621 is a deficient number, since it is larger than the sum of its proper divisors (8671083).

25941621 is a wasteful number, since it uses less digits than its factorization.

25941621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971.

The product of its digits is 4320, while the sum is 30.

The square root of 25941621 is about 5093.2917646646. The cubic root of 25941621 is about 296.0277130432.

It can be divided in two parts, 25941 and 621, that added together give a palindrome (26562).

The spelling of 25941621 in words is "twenty-five million, nine hundred forty-one thousand, six hundred twenty-one".