25433089 has 4 divisors (see below), whose sum is σ = 27745200. Its totient is φ = 23120980.

The previous prime is 25433041. The next prime is 25433099. The reversal of 25433089 is 98033452.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-25433089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25433099) 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, 1156039 + ... + 1156060.

It is an arithmetic number, because the mean of its divisors is an integer number (6936300).

Almost surely, 2^25433089 is an apocalyptic number.

It is an amenable number.

25433089 is a deficient number, since it is larger than the sum of its proper divisors (2312111).

25433089 is a wasteful number, since it uses less digits than its factorization.

25433089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312110.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 25433089 is about 5043.1229411943. The cubic root of 25433089 is about 294.0805963187.

The spelling of 25433089 in words is "twenty-five million, four hundred thirty-three thousand, eighty-nine".