273812065 has 4 divisors (see below), whose sum is σ = 328574484. Its totient is φ = 219049648.

The previous prime is 273812053. The next prime is 273812093. The reversal of 273812065 is 560218372.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84033889 + 189778176 = 9167^2 + 13776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273812065 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 273812065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27381202 + ... + 27381211.

It is an arithmetic number, because the mean of its divisors is an integer number (82143621).

Almost surely, 2^273812065 is an apocalyptic number.

It is an amenable number.

273812065 is a deficient number, since it is larger than the sum of its proper divisors (54762419).

273812065 is an equidigital number, since it uses as much as digits as its factorization.

273812065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54762418.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 273812065 is about 16547.2675992141. The cubic root of 273812065 is about 649.3579972686.

The spelling of 273812065 in words is "two hundred seventy-three million, eight hundred twelve thousand, sixty-five".