25924289 has 8 divisors (see below), whose sum is σ = 27984960. Its totient is φ = 23941456.

The previous prime is 25924253. The next prime is 25924321. The reversal of 25924289 is 98242952.

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 25924289 - 2²⁰ = 24875713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25924889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18767 + ... + 20100.

It is an arithmetic number, because the mean of its divisors is an integer number (3498120).

Almost surely, 2^25924289 is an apocalyptic number.

25924289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

25924289 is a deficient number, since it is larger than the sum of its proper divisors (2060671).

25924289 is a wasteful number, since it uses less digits than its factorization.

25924289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38919.

The product of its digits is 103680, while the sum is 41.

The square root of 25924289 is about 5091.5900267009. The cubic root of 25924289 is about 295.9617714509.

The spelling of 25924289 in words is "twenty-five million, nine hundred twenty-four thousand, two hundred eighty-nine".