5223819 has 4 divisors (see below), whose sum is σ = 6965096. Its totient is φ = 3482544.

The previous prime is 5223793. The next prime is 5223853. The reversal of 5223819 is 9183225.

It is a happy number.

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

It is not a de Polignac number, because 5223819 - 2¹² = 5219723 is a prime.

It is a super-2 number, since 2×5223819² = 54576569889522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

5223819 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5223859) 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, 870634 + ... + 870639.

It is an arithmetic number, because the mean of its divisors is an integer number (1741274).

Almost surely, 2^5223819 is an apocalyptic number.

5223819 is a deficient number, since it is larger than the sum of its proper divisors (1741277).

5223819 is a wasteful number, since it uses less digits than its factorization.

5223819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741276.

The product of its digits is 4320, while the sum is 30.

The square root of 5223819 is about 2285.5675443968. The cubic root of 5223819 is about 173.5119431909.

It can be divided in two parts, 52 and 23819, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 5223819 in words is "five million, two hundred twenty-three thousand, eight hundred nineteen".