25196289 has 8 divisors (see below), whose sum is σ = 33630912. Its totient is φ = 16779600.

The previous prime is 25196279. The next prime is 25196291. The reversal of 25196289 is 98269152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25196289 - 2⁵ = 25196257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25196289.

It is not an unprimeable number, because it can be changed into a prime (25196279) 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, 762 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (4203864).

Almost surely, 2^25196289 is an apocalyptic number.

It is an amenable number.

25196289 is a deficient number, since it is larger than the sum of its proper divisors (8434623).

25196289 is a wasteful number, since it uses less digits than its factorization.

25196289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967.

The product of its digits is 77760, while the sum is 42.

The square root of 25196289 is about 5019.5905211481. The cubic root of 25196289 is about 293.1650496815.

The spelling of 25196289 in words is "twenty-five million, one hundred ninety-six thousand, two hundred eighty-nine".