25530233 has 8 divisors (see below), whose sum is σ = 25840800. Its totient is φ = 25221888.

The previous prime is 25530191. The next prime is 25530247. The reversal of 25530233 is 33203552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25530233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25530199 and 25530208.

It is not an unprimeable number, because it can be changed into a prime (25530293) 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, 34178 + ... + 34916.

It is an arithmetic number, because the mean of its divisors is an integer number (3230100).

Almost surely, 2^25530233 is an apocalyptic number.

It is an amenable number.

25530233 is a deficient number, since it is larger than the sum of its proper divisors (310567).

25530233 is a wasteful number, since it uses less digits than its factorization.

25530233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 25530233 is about 5052.7450954902. The cubic root of 25530233 is about 294.4545431553.

Adding to 25530233 its reverse (33203552), we get a palindrome (58733785).

The spelling of 25530233 in words is "twenty-five million, five hundred thirty thousand, two hundred thirty-three".