7273253539 has 2 divisors, whose sum is σ = 7273253540. Its totient is φ = 7273253538.

The previous prime is 7273253527. The next prime is 7273253557. The reversal of 7273253539 is 9353523727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7273253539 - 2⁹ = 7273253027 is a prime.

It is not a weakly prime, because it can be changed into another prime (7273253569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636626769 + 3636626770.

It is an arithmetic number, because the mean of its divisors is an integer number (3636626770).

Almost surely, 2^7273253539 is an apocalyptic number.

7273253539 is a deficient number, since it is larger than the sum of its proper divisors (1).

7273253539 is an equidigital number, since it uses as much as digits as its factorization.

7273253539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 46.

The square root of 7273253539 is about 85283.3719959524. The cubic root of 7273253539 is about 1937.5053437189.

The spelling of 7273253539 in words is "seven billion, two hundred seventy-three million, two hundred fifty-three thousand, five hundred thirty-nine".