5214057721 has 2 divisors, whose sum is σ = 5214057722. Its totient is φ = 5214057720.

The previous prime is 5214057713. The next prime is 5214057731. The reversal of 5214057721 is 1277504125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4387207696 + 826850025 = 66236^2 + 28755^2 .

It is a cyclic number.

It is not a de Polignac number, because 5214057721 - 2³ = 5214057713 is a prime.

It is not a weakly prime, because it can be changed into another prime (5214057731) 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, 2607028860 + 2607028861.

It is an arithmetic number, because the mean of its divisors is an integer number (2607028861).

Almost surely, 2^5214057721 is an apocalyptic number.

It is an amenable number.

5214057721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5214057721 is an equidigital number, since it uses as much as digits as its factorization.

5214057721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 5214057721 is about 72208.4324784855. The cubic root of 5214057721 is about 1734.0380043571.

The spelling of 5214057721 in words is "five billion, two hundred fourteen million, fifty-seven thousand, seven hundred twenty-one".