5192809 has 4 divisors (see below), whose sum is σ = 5313616. Its totient is φ = 5072004.

The previous prime is 5192801. The next prime is 5192813. The reversal of 5192809 is 9082915.

5192809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9082915 = 5 ⋅1816583.

It is a cyclic number.

It is not a de Polignac number, because 5192809 - 2³ = 5192801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5192801) 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, 60339 + ... + 60424.

It is an arithmetic number, because the mean of its divisors is an integer number (1328404).

Almost surely, 2^5192809 is an apocalyptic number.

It is an amenable number.

5192809 is a deficient number, since it is larger than the sum of its proper divisors (120807).

5192809 is a wasteful number, since it uses less digits than its factorization.

5192809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120806.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 5192809 is about 2278.7735736575. The cubic root of 5192809 is about 173.1679236451.

The spelling of 5192809 in words is "five million, one hundred ninety-two thousand, eight hundred nine".