5152503221 has 4 divisors (see below), whose sum is σ = 5172094752. Its totient is φ = 5132911692.

The previous prime is 5152503193. The next prime is 5152503229. The reversal of 5152503221 is 1223052515.

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 5152503221 - 2¹⁰ = 5152502197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5152503229) 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, 9795371 + ... + 9795896.

It is an arithmetic number, because the mean of its divisors is an integer number (1293023688).

Almost surely, 2^5152503221 is an apocalyptic number.

It is an amenable number.

5152503221 is a deficient number, since it is larger than the sum of its proper divisors (19591531).

5152503221 is a wasteful number, since it uses less digits than its factorization.

5152503221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19591530.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5152503221 is about 71780.9391203542. The cubic root of 5152503221 is about 1727.1872523095.

Adding to 5152503221 its reverse (1223052515), we get a palindrome (6375555736).

The spelling of 5152503221 in words is "five billion, one hundred fifty-two million, five hundred three thousand, two hundred twenty-one".