5220815 has 8 divisors (see below), whose sum is σ = 6289728. Its totient is φ = 4160160.

The previous prime is 5220799. The next prime is 5220823. The reversal of 5220815 is 5180225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5220815 - 2⁴ = 5220799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (786216).

Almost surely, 2^5220815 is an apocalyptic number.

5220815 is a deficient number, since it is larger than the sum of its proper divisors (1068913).

5220815 is a wasteful number, since it uses less digits than its factorization.

5220815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5220815 is about 2284.9102827026. The cubic root of 5220815 is about 173.4786769910.

The spelling of 5220815 in words is "five million, two hundred twenty thousand, eight hundred fifteen".