7211247007 has 2 divisors, whose sum is σ = 7211247008. Its totient is φ = 7211247006.

The previous prime is 7211246951. The next prime is 7211247047. The reversal of 7211247007 is 7007421127.

7211247007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7211247007 - 2¹¹ = 7211244959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7211247007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7211247047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3605623503 + 3605623504.

It is an arithmetic number, because the mean of its divisors is an integer number (3605623504).

Almost surely, 2^7211247007 is an apocalyptic number.

7211247007 is a deficient number, since it is larger than the sum of its proper divisors (1).

7211247007 is an equidigital number, since it uses as much as digits as its factorization.

7211247007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 7211247007 is about 84919.0615056478. The cubic root of 7211247007 is about 1931.9836966755.

The spelling of 7211247007 in words is "seven billion, two hundred eleven million, two hundred forty-seven thousand, seven".