25485289 has 8 divisors (see below), whose sum is σ = 26873280. Its totient is φ = 24102000.

The previous prime is 25485281. The next prime is 25485293. The reversal of 25485289 is 98258452.

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 25485289 - 2³ = 25485281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25485281) 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, 18939 + ... + 20239.

It is an arithmetic number, because the mean of its divisors is an integer number (3359160).

Almost surely, 2^25485289 is an apocalyptic number.

It is an amenable number.

25485289 is a deficient number, since it is larger than the sum of its proper divisors (1387991).

25485289 is a wasteful number, since it uses less digits than its factorization.

25485289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its digits is 230400, while the sum is 43.

The square root of 25485289 is about 5048.2956529902. The cubic root of 25485289 is about 294.2816535153.

The spelling of 25485289 in words is "twenty-five million, four hundred eighty-five thousand, two hundred eighty-nine".