5221961047 has 2 divisors, whose sum is σ = 5221961048. Its totient is φ = 5221961046.

The previous prime is 5221961033. The next prime is 5221961057. The reversal of 5221961047 is 7401691225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5221961047 - 2²⁷ = 5087743319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5221960997 and 5221961015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221961027) 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, 2610980523 + 2610980524.

It is an arithmetic number, because the mean of its divisors is an integer number (2610980524).

Almost surely, 2^5221961047 is an apocalyptic number.

5221961047 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221961047 is an equidigital number, since it uses as much as digits as its factorization.

5221961047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 5221961047 is about 72263.1375391354. The cubic root of 5221961047 is about 1734.9136978391.

The spelling of 5221961047 in words is "five billion, two hundred twenty-one million, nine hundred sixty-one thousand, forty-seven".