25252231 has 8 divisors (see below), whose sum is σ = 25761744. Its totient is φ = 24745920.

The previous prime is 25252193. The next prime is 25252247. The reversal of 25252231 is 13225252.

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 25252231 - 2¹⁵ = 25219463 is a prime.

It is a super-2 number, since 2×25252231² = 1275350340954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252831) 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, 20571 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (3220218).

Almost surely, 2^25252231 is an apocalyptic number.

25252231 is a deficient number, since it is larger than the sum of its proper divisors (509513).

25252231 is a wasteful number, since it uses less digits than its factorization.

25252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 1200, while the sum is 22.

The square root of 25252231 is about 5025.1597984542. The cubic root of 25252231 is about 293.3818556382.

Adding to 25252231 its reverse (13225252), we get a palindrome (38477483).

The spelling of 25252231 in words is "twenty-five million, two hundred fifty-two thousand, two hundred thirty-one".