5223621611 has 4 divisors (see below), whose sum is σ = 5625438672. Its totient is φ = 4821804552.

The previous prime is 5223621539. The next prime is 5223621617. The reversal of 5223621611 is 1161263225.

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 5223621611 - 2²² = 5219427307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5223621617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200908511 + ... + 200908536.

It is an arithmetic number, because the mean of its divisors is an integer number (1406359668).

Almost surely, 2^5223621611 is an apocalyptic number.

5223621611 is a deficient number, since it is larger than the sum of its proper divisors (401817061).

5223621611 is a wasteful number, since it uses less digits than its factorization.

5223621611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401817060.

The product of its digits is 4320, while the sum is 29.

The square root of 5223621611 is about 72274.6263290237. The cubic root of 5223621611 is about 1735.0975770295.

Adding to 5223621611 its reverse (1161263225), we get a palindrome (6384884836).

The spelling of 5223621611 in words is "five billion, two hundred twenty-three million, six hundred twenty-one thousand, six hundred eleven".