5221501501 has 4 divisors (see below), whose sum is σ = 5259066400. Its totient is φ = 5183936604.

The previous prime is 5221501471. The next prime is 5221501529. The reversal of 5221501501 is 1051051225.

It is a happy number.

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 5221501501 - 2²¹ = 5219404349 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 (5221501001) 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, 18782241 + ... + 18782518.

It is an arithmetic number, because the mean of its divisors is an integer number (1314766600).

Almost surely, 2^5221501501 is an apocalyptic number.

It is an amenable number.

5221501501 is a deficient number, since it is larger than the sum of its proper divisors (37564899).

5221501501 is a wasteful number, since it uses less digits than its factorization.

5221501501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37564898.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 5221501501 is about 72259.9577982163. The cubic root of 5221501501 is about 1734.8628040573.

Adding to 5221501501 its reverse (1051051225), we get a palindrome (6272552726).

The spelling of 5221501501 in words is "five billion, two hundred twenty-one million, five hundred one thousand, five hundred one".