7216061 has 2 divisors, whose sum is σ = 7216062. Its totient is φ = 7216060.

The previous prime is 7216049. The next prime is 7216063. The reversal of 7216061 is 1606127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4305625 + 2910436 = 2075^2 + 1706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7216061 is a prime.

Together with 7216063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7216063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3608030 + 3608031.

It is an arithmetic number, because the mean of its divisors is an integer number (3608031).

Almost surely, 2^7216061 is an apocalyptic number.

It is an amenable number.

7216061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7216061 is an equidigital number, since it uses as much as digits as its factorization.

7216061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7216061 is about 2686.2726965072. The cubic root of 7216061 is about 193.2413510787.

The spelling of 7216061 in words is "seven million, two hundred sixteen thousand, sixty-one".