25305089 has 8 divisors (see below), whose sum is σ = 25613280. Its totient is φ = 24998976.

The previous prime is 25305053. The next prime is 25305097. The reversal of 25305089 is 98050352.

It is a happy number.

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 25305089 - 2²⁴ = 8527873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25305389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42377 + ... + 42969.

It is an arithmetic number, because the mean of its divisors is an integer number (3201660).

It is a Proth number, since it is equal to 3089 ⋅ 2¹³ + 1 and 3089 < 2¹³.

Almost surely, 2^25305089 is an apocalyptic number.

It is an amenable number.

25305089 is a deficient number, since it is larger than the sum of its proper divisors (308191).

25305089 is a wasteful number, since it uses less digits than its factorization.

25305089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 25305089 is about 5030.4163843563. The cubic root of 25305089 is about 293.5864153928.

The spelling of 25305089 in words is "twenty-five million, three hundred five thousand, eighty-nine".