5223041521 has 4 divisors (see below), whose sum is σ = 5334170112. Its totient is φ = 5111912932.

The previous prime is 5223041519. The next prime is 5223041531. The reversal of 5223041521 is 1251403225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5223041521 - 2¹ = 5223041519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5223041501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55564225 + ... + 55564318.

It is an arithmetic number, because the mean of its divisors is an integer number (1333542528).

Almost surely, 2^5223041521 is an apocalyptic number.

It is an amenable number.

5223041521 is a deficient number, since it is larger than the sum of its proper divisors (111128591).

5223041521 is a wasteful number, since it uses less digits than its factorization.

5223041521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111128590.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5223041521 is about 72270.6131217938. The cubic root of 5223041521 is about 1735.0333463680.

Adding to 5223041521 its reverse (1251403225), we get a palindrome (6474444746).

The spelling of 5223041521 in words is "five billion, two hundred twenty-three million, forty-one thousand, five hundred twenty-one".