7205239273 has 2 divisors, whose sum is σ = 7205239274. Its totient is φ = 7205239272.

The previous prime is 7205239259. The next prime is 7205239313. The reversal of 7205239273 is 3729325027.

It is an a-pointer prime, because the next prime (7205239313) can be obtained adding 7205239273 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6666395904 + 538843369 = 81648^2 + 23213^2 .

It is a cyclic number.

It is not a de Polignac number, because 7205239273 - 2²⁹ = 6668368361 is a prime.

It is not a weakly prime, because it can be changed into another prime (7205239373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3602619636 + 3602619637.

It is an arithmetic number, because the mean of its divisors is an integer number (3602619637).

Almost surely, 2^7205239273 is an apocalyptic number.

It is an amenable number.

7205239273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7205239273 is an equidigital number, since it uses as much as digits as its factorization.

7205239273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 7205239273 is about 84883.6808403123. The cubic root of 7205239273 is about 1931.4470318025.

The spelling of 7205239273 in words is "seven billion, two hundred five million, two hundred thirty-nine thousand, two hundred seventy-three".