25234289 has 4 divisors (see below), whose sum is σ = 26331456. Its totient is φ = 24137124.

The previous prime is 25234283. The next prime is 25234303. The reversal of 25234289 is 98243252.

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 25234289 - 2²⁴ = 8457073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25234283) 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, 548549 + ... + 548594.

It is an arithmetic number, because the mean of its divisors is an integer number (6582864).

Almost surely, 2^25234289 is an apocalyptic number.

It is an amenable number.

25234289 is a deficient number, since it is larger than the sum of its proper divisors (1097167).

25234289 is a wasteful number, since it uses less digits than its factorization.

25234289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097166.

The product of its digits is 34560, while the sum is 35.

The square root of 25234289 is about 5023.3742643765. The cubic root of 25234289 is about 293.3123554500.

The spelling of 25234289 in words is "twenty-five million, two hundred thirty-four thousand, two hundred eighty-nine".