5369509 has 4 divisors (see below), whose sum is σ = 5389740. Its totient is φ = 5349280.

The previous prime is 5369503. The next prime is 5369527. The reversal of 5369509 is 9059635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2656900 + 2712609 = 1630^2 + 1647^2 .

It is a cyclic number.

It is not a de Polignac number, because 5369509 - 2⁹ = 5368997 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5369503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9712 + ... + 10249.

It is an arithmetic number, because the mean of its divisors is an integer number (1347435).

Almost surely, 2^5369509 is an apocalyptic number.

It is an amenable number.

5369509 is a deficient number, since it is larger than the sum of its proper divisors (20231).

5369509 is a wasteful number, since it uses less digits than its factorization.

5369509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20230.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 5369509 is about 2317.2201017599. The cubic root of 5369509 is about 175.1102325907.

The spelling of 5369509 in words is "five million, three hundred sixty-nine thousand, five hundred nine".