5190509 has 4 divisors (see below), whose sum is σ = 5203260. Its totient is φ = 5177760.

The previous prime is 5190467. The next prime is 5190511. The reversal of 5190509 is 9050915.

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 14884 + 5175625 = 122^2 + 2275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5190509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5190599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5744 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (1300815).

Almost surely, 2^5190509 is an apocalyptic number.

It is an amenable number.

5190509 is a deficient number, since it is larger than the sum of its proper divisors (12751).

5190509 is a wasteful number, since it uses less digits than its factorization.

5190509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 5190509 is about 2278.2688603411. The cubic root of 5190509 is about 173.1423533457.

The spelling of 5190509 in words is "five million, one hundred ninety thousand, five hundred nine".