5221550641 has 2 divisors, whose sum is σ = 5221550642. Its totient is φ = 5221550640.

The previous prime is 5221550623. The next prime is 5221550699. The reversal of 5221550641 is 1460551225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4975186225 + 246364416 = 70535^2 + 15696^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221550641 - 2³¹ = 3074066993 is a prime.

It is not a weakly prime, because it can be changed into another prime (5221557641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610775320 + 2610775321.

It is an arithmetic number, because the mean of its divisors is an integer number (2610775321).

Almost surely, 2^5221550641 is an apocalyptic number.

It is an amenable number.

5221550641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221550641 is an equidigital number, since it uses as much as digits as its factorization.

5221550641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 5221550641 is about 72260.2978197572. The cubic root of 5221550641 is about 1734.8682463546.

The spelling of 5221550641 in words is "five billion, two hundred twenty-one million, five hundred fifty thousand, six hundred forty-one".