5220566387 has 4 divisors (see below), whose sum is σ = 5224525680. Its totient is φ = 5216607096.

The previous prime is 5220566383. The next prime is 5220566419. The reversal of 5220566387 is 7836650225.

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 5220566387 - 2² = 5220566383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5220566383) 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, 1977668 + ... + 1980305.

It is an arithmetic number, because the mean of its divisors is an integer number (1306131420).

Almost surely, 2^5220566387 is an apocalyptic number.

5220566387 is a deficient number, since it is larger than the sum of its proper divisors (3959293).

5220566387 is a wasteful number, since it uses less digits than its factorization.

5220566387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959292.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 5220566387 is about 72253.4870231188. The cubic root of 5220566387 is about 1734.7592328687.

The spelling of 5220566387 in words is "five billion, two hundred twenty million, five hundred sixty-six thousand, three hundred eighty-seven".