9050509 has 16 divisors (see below), whose sum is σ = 10093104. Its totient is φ = 8064000.

The previous prime is 9050501. The next prime is 9050519.

9050509 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 2316484 + 6734025 = 1522^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 9050509 - 2³ = 9050501 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9050509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9050501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80037 + ... + 80149.

It is an arithmetic number, because the mean of its divisors is an integer number (630819).

Almost surely, 2^9050509 is an apocalyptic number.

It is an amenable number.

9050509 is a deficient number, since it is larger than the sum of its proper divisors (1042595).

9050509 is a wasteful number, since it uses less digits than its factorization.

9050509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 9050509 is about 3008.4063887713. The cubic root of 9050509 is about 208.3967786854.

It can be divided in two parts, 9050 and 509, that added together give a palindrome (9559).

The spelling of 9050509 in words is "nine million, fifty thousand, five hundred nine".