7206289 has 2 divisors, whose sum is σ = 7206290. Its totient is φ = 7206288.

The previous prime is 7206259. The next prime is 7206307. The reversal of 7206289 is 9826027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 2007889 = 2280^2 + 1417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7206289 is a prime.

7206289 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7206259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603144 + 3603145.

It is an arithmetic number, because the mean of its divisors is an integer number (3603145).

Almost surely, 2^7206289 is an apocalyptic number.

It is an amenable number.

7206289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7206289 is an equidigital number, since it uses as much as digits as its factorization.

7206289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7206289 is about 2684.4532031682. The cubic root of 7206289 is about 193.1540824369.

The spelling of 7206289 in words is "seven million, two hundred six thousand, two hundred eighty-nine".