7216745201 has 2 divisors, whose sum is σ = 7216745202. Its totient is φ = 7216745200.

The previous prime is 7216745177. The next prime is 7216745203. The reversal of 7216745201 is 1025476127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7136194576 + 80550625 = 84476^2 + 8975^2 .

It is a cyclic number.

It is not a de Polignac number, because 7216745201 - 2²² = 7212550897 is a prime.

It is a super-2 number, since 2×7216745201² (a number of 21 digits) contains 22 as substring.

Together with 7216745203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7216745203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3608372600 + 3608372601.

It is an arithmetic number, because the mean of its divisors is an integer number (3608372601).

Almost surely, 2^7216745201 is an apocalyptic number.

It is an amenable number.

7216745201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7216745201 is an equidigital number, since it uses as much as digits as its factorization.

7216745201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 7216745201 is about 84951.4284812210. The cubic root of 7216745201 is about 1932.4745836943.

The spelling of 7216745201 in words is "seven billion, two hundred sixteen million, seven hundred forty-five thousand, two hundred one".