25512233 has 4 divisors (see below), whose sum is σ = 25538820. Its totient is φ = 25485648.

The previous prime is 25512197. The next prime is 25512241. The reversal of 25512233 is 33221552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22543504 + 2968729 = 4748^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 25512233 - 2⁶ = 25512169 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 25512199 and 25512208.

It is not an unprimeable number, because it can be changed into a prime (25512283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11798 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (6384705).

Almost surely, 2^25512233 is an apocalyptic number.

It is an amenable number.

25512233 is a deficient number, since it is larger than the sum of its proper divisors (26587).

25512233 is an equidigital number, since it uses as much as digits as its factorization.

25512233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26586.

The product of its digits is 1800, while the sum is 23.

The square root of 25512233 is about 5050.9635714386. The cubic root of 25512233 is about 294.3853255094.

Adding to 25512233 its reverse (33221552), we get a palindrome (58733785).

The spelling of 25512233 in words is "twenty-five million, five hundred twelve thousand, two hundred thirty-three".