6021221273 has 2 divisors, whose sum is σ = 6021221274. Its totient is φ = 6021221272.

The previous prime is 6021221263. The next prime is 6021221303. The reversal of 6021221273 is 3721221206.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3924771904 + 2096449369 = 62648^2 + 45787^2 .

It is a cyclic number.

It is not a de Polignac number, because 6021221273 - 2⁶ = 6021221209 is a prime.

It is not a weakly prime, because it can be changed into another prime (6021221263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010610636 + 3010610637.

It is an arithmetic number, because the mean of its divisors is an integer number (3010610637).

Almost surely, 2^6021221273 is an apocalyptic number.

It is an amenable number.

6021221273 is a deficient number, since it is larger than the sum of its proper divisors (1).

6021221273 is an equidigital number, since it uses as much as digits as its factorization.

6021221273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 6021221273 is about 77596.5287432370. The cubic root of 6021221273 is about 1819.2603838717.

Adding to 6021221273 its reverse (3721221206), we get a palindrome (9742442479).

The spelling of 6021221273 in words is "six billion, twenty-one million, two hundred twenty-one thousand, two hundred seventy-three".