5221602521 has 8 divisors (see below), whose sum is σ = 5391170304. Its totient is φ = 5052105360.

The previous prime is 5221602509. The next prime is 5221602539. The reversal of 5221602521 is 1252061225.

5221602521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5221602521 - 2⁶ = 5221602457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221692521) 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 7 ways as a sum of consecutive naturals, for example, 161690 + ... + 191276.

It is an arithmetic number, because the mean of its divisors is an integer number (673896288).

Almost surely, 2^5221602521 is an apocalyptic number.

It is an amenable number.

5221602521 is a deficient number, since it is larger than the sum of its proper divisors (169567783).

5221602521 is a wasteful number, since it uses less digits than its factorization.

5221602521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35311.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5221602521 is about 72260.6567988418. The cubic root of 5221602521 is about 1734.8739920722.

Adding to 5221602521 its reverse (1252061225), we get a palindrome (6473663746).

The spelling of 5221602521 in words is "five billion, two hundred twenty-one million, six hundred two thousand, five hundred twenty-one".