5061600221 has 2 divisors, whose sum is σ = 5061600222. Its totient is φ = 5061600220.

The previous prime is 5061600217. The next prime is 5061600227. The reversal of 5061600221 is 1220061605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4020828100 + 1040772121 = 63410^2 + 32261^2 .

It is a cyclic number.

It is not a de Polignac number, because 5061600221 - 2² = 5061600217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5061600227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530800110 + 2530800111.

It is an arithmetic number, because the mean of its divisors is an integer number (2530800111).

Almost surely, 2^5061600221 is an apocalyptic number.

It is an amenable number.

5061600221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5061600221 is an equidigital number, since it uses as much as digits as its factorization.

5061600221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5061600221 is about 71144.9240705196. The cubic root of 5061600221 is about 1716.9696304113.

Adding to 5061600221 its reverse (1220061605), we get a palindrome (6281661826).

The spelling of 5061600221 in words is "five billion, sixty-one million, six hundred thousand, two hundred twenty-one".