25434233 has 4 divisors (see below), whose sum is σ = 27746448. Its totient is φ = 23122020.

The previous prime is 25434203. The next prime is 25434257. The reversal of 25434233 is 33243452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25434233 - 2²⁴ = 8657017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25434203) 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, 1156091 + ... + 1156112.

It is an arithmetic number, because the mean of its divisors is an integer number (6936612).

Almost surely, 2^25434233 is an apocalyptic number.

It is an amenable number.

25434233 is a deficient number, since it is larger than the sum of its proper divisors (2312215).

25434233 is a wasteful number, since it uses less digits than its factorization.

25434233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312214.

The product of its digits is 8640, while the sum is 26.

The square root of 25434233 is about 5043.2363617027. The cubic root of 25434233 is about 294.0850055768.

Adding to 25434233 its reverse (33243452), we get a palindrome (58677685).

It can be divided in two parts, 2543 and 4233, that added together give a palindrome (6776).

The spelling of 25434233 in words is "twenty-five million, four hundred thirty-four thousand, two hundred thirty-three".