5260509 has 12 divisors (see below), whose sum is σ = 7619196. Its totient is φ = 3497472.

The previous prime is 5260501. The next prime is 5260529. The reversal of 5260509 is 9050625.

5260509 is a `hidden beast` number, since 52 + 605 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 2732409 = 1590^2 + 1653^2 .

It is not a de Polignac number, because 5260509 - 2³ = 5260501 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5260501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4687 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (634933).

Almost surely, 2^5260509 is an apocalyptic number.

It is an amenable number.

5260509 is a deficient number, since it is larger than the sum of its proper divisors (2358687).

5260509 is a wasteful number, since it uses less digits than its factorization.

5260509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 5260509 is about 2293.5799528248. The cubic root of 5260509 is about 173.9172218226.

The spelling of 5260509 in words is "five million, two hundred sixty thousand, five hundred nine".