5281819 has 4 divisors (see below), whose sum is σ = 5404696. Its totient is φ = 5158944.

The previous prime is 5281817. The next prime is 5281823. The reversal of 5281819 is 9181825.

5281819 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.

It is a cyclic number.

It is not a de Polignac number, because 5281819 - 2¹ = 5281817 is a prime.

It is a super-2 number, since 2×5281819² = 55795223897522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5281817) 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, 61374 + ... + 61459.

It is an arithmetic number, because the mean of its divisors is an integer number (1351174).

Almost surely, 2^5281819 is an apocalyptic number.

5281819 is a deficient number, since it is larger than the sum of its proper divisors (122877).

5281819 is a wasteful number, since it uses less digits than its factorization.

5281819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122876.

The product of its digits is 5760, while the sum is 34.

The square root of 5281819 is about 2298.2208336015. The cubic root of 5281819 is about 174.1517480970.

The spelling of 5281819 in words is "five million, two hundred eighty-one thousand, eight hundred nineteen".