73255109 has 2 divisors, whose sum is σ = 73255110. Its totient is φ = 73255108.

The previous prime is 73255097. The next prime is 73255111. The reversal of 73255109 is 90155237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72760900 + 494209 = 8530^2 + 703^2 .

It is an emirp because it is prime and its reverse (90155237) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73255109 is a prime.

Together with 73255111, 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 (73255129) 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, 36627554 + 36627555.

It is an arithmetic number, because the mean of its divisors is an integer number (36627555).

Almost surely, 2^73255109 is an apocalyptic number.

It is an amenable number.

73255109 is a deficient number, since it is larger than the sum of its proper divisors (1).

73255109 is an equidigital number, since it uses as much as digits as its factorization.

73255109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 73255109 is about 8558.9198500745. The cubic root of 73255109 is about 418.4201970205.

The spelling of 73255109 in words is "seventy-three million, two hundred fifty-five thousand, one hundred nine".