25600231 has 8 divisors (see below), whose sum is σ = 26181360. Its totient is φ = 25025088.

The previous prime is 25600217. The next prime is 25600261. The reversal of 25600231 is 13200652.

It is a happy number.

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 25600231 - 2⁵ = 25600199 is a prime.

It is a super-3 number, since 3×25600231³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25600199 and 25600208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25600261) 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, 7785 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (3272670).

Almost surely, 2^25600231 is an apocalyptic number.

25600231 is a deficient number, since it is larger than the sum of its proper divisors (581129).

25600231 is a wasteful number, since it uses less digits than its factorization.

25600231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 25600231 is about 5059.6670839098. The cubic root of 25600231 is about 294.7234063586.

Adding to 25600231 its reverse (13200652), we get a palindrome (38800883).

The spelling of 25600231 in words is "twenty-five million, six hundred thousand, two hundred thirty-one".