7206961 has 2 divisors, whose sum is σ = 7206962. Its totient is φ = 7206960.

The previous prime is 7206959. The next prime is 7206977. The reversal of 7206961 is 1696027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6990736 + 216225 = 2644^2 + 465^2 .

It is an emirp because it is prime and its reverse (1696027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7206961 - 2¹ = 7206959 is a prime.

Together with 7206959, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7203961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603480 + 3603481.

It is an arithmetic number, because the mean of its divisors is an integer number (3603481).

Almost surely, 2^7206961 is an apocalyptic number.

It is an amenable number.

7206961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7206961 is an equidigital number, since it uses as much as digits as its factorization.

7206961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 7206961 is about 2684.5783654049. The cubic root of 7206961 is about 193.1600862440.

The spelling of 7206961 in words is "seven million, two hundred six thousand, nine hundred sixty-one".