5221711487 has 4 divisors (see below), whose sum is σ = 5222581056. Its totient is φ = 5220841920.

The previous prime is 5221711477. The next prime is 5221711489. The reversal of 5221711487 is 7841171225.

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 5221711487 - 2²² = 5217517183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5221711487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221711489) 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, 425714 + ... + 437807.

It is an arithmetic number, because the mean of its divisors is an integer number (1305645264).

Almost surely, 2^5221711487 is an apocalyptic number.

5221711487 is a deficient number, since it is larger than the sum of its proper divisors (869569).

5221711487 is an equidigital number, since it uses as much as digits as its factorization.

5221711487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869568.

The product of its digits is 31360, while the sum is 38.

The square root of 5221711487 is about 72261.4107736626. The cubic root of 5221711487 is about 1734.8860599488.

The spelling of 5221711487 in words is "five billion, two hundred twenty-one million, seven hundred eleven thousand, four hundred eighty-seven".