73251089 has 2 divisors, whose sum is σ = 73251090. Its totient is φ = 73251088.

The previous prime is 73251041. The next prime is 73251097. The reversal of 73251089 is 98015237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61465600 + 11785489 = 7840^2 + 3433^2 .

It is an emirp because it is prime and its reverse (98015237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73251089 - 2²⁰ = 72202513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73256089) 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, 36625544 + 36625545.

It is an arithmetic number, because the mean of its divisors is an integer number (36625545).

Almost surely, 2^73251089 is an apocalyptic number.

It is an amenable number.

73251089 is a deficient number, since it is larger than the sum of its proper divisors (1).

73251089 is an equidigital number, since it uses as much as digits as its factorization.

73251089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 73251089 is about 8558.6850041347. The cubic root of 73251089 is about 418.4125430380.

The spelling of 73251089 in words is "seventy-three million, two hundred fifty-one thousand, eighty-nine".