5265809 has 8 divisors (see below), whose sum is σ = 5400000. Its totient is φ = 5133232.

The previous prime is 5265787. The next prime is 5265829. The reversal of 5265809 is 9085625.

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 5265809 - 2²⁰ = 4217233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5265829) 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, 8492 + ... + 9090.

It is an arithmetic number, because the mean of its divisors is an integer number (675000).

Almost surely, 2^5265809 is an apocalyptic number.

5265809 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5265809 is a deficient number, since it is larger than the sum of its proper divisors (134191).

5265809 is a wasteful number, since it uses less digits than its factorization.

5265809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 5265809 is about 2294.7350609602. The cubic root of 5265809 is about 173.9756098283.

The spelling of 5265809 in words is "five million, two hundred sixty-five thousand, eight hundred nine".