52051035221 has 2 divisors, whose sum is σ = 52051035222. Its totient is φ = 52051035220.

The previous prime is 52051035193. The next prime is 52051035229. The reversal of 52051035221 is 12253015025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35011648996 + 17039386225 = 187114^2 + 130535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52051035221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52051035229) 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 as a sum of consecutive naturals, namely, 26025517610 + 26025517611.

It is an arithmetic number, because the mean of its divisors is an integer number (26025517611).

Almost surely, 2^52051035221 is an apocalyptic number.

It is an amenable number.

52051035221 is a deficient number, since it is larger than the sum of its proper divisors (1).

52051035221 is an equidigital number, since it uses as much as digits as its factorization.

52051035221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 52051035221 in words is "fifty-two billion, fifty-one million, thirty-five thousand, two hundred twenty-one".