25914289 has 8 divisors (see below), whose sum is σ = 26234208. Its totient is φ = 25596480.

The previous prime is 25914283. The next prime is 25914293. The reversal of 25914289 is 98241952.

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 25914289 - 2³ = 25914281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25914281) 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, 43854 + ... + 44440.

It is an arithmetic number, because the mean of its divisors is an integer number (3279276).

Almost surely, 2^25914289 is an apocalyptic number.

It is an amenable number.

25914289 is a deficient number, since it is larger than the sum of its proper divisors (319919).

25914289 is a wasteful number, since it uses less digits than its factorization.

25914289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its digits is 51840, while the sum is 40.

The square root of 25914289 is about 5090.6079204747. The cubic root of 25914289 is about 295.9237119263.

The spelling of 25914289 in words is "twenty-five million, nine hundred fourteen thousand, two hundred eighty-nine".