273065761 has 2 divisors, whose sum is σ = 273065762. Its totient is φ = 273065760.

The previous prime is 273065759. The next prime is 273065813. The reversal of 273065761 is 167560372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236390625 + 36675136 = 15375^2 + 6056^2 .

It is a cyclic number.

It is not a de Polignac number, because 273065761 - 2¹ = 273065759 is a prime.

Together with 273065759, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 273065761.

It is not a weakly prime, because it can be changed into another prime (273065161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136532880 + 136532881.

It is an arithmetic number, because the mean of its divisors is an integer number (136532881).

Almost surely, 2^273065761 is an apocalyptic number.

It is an amenable number.

273065761 is a deficient number, since it is larger than the sum of its proper divisors (1).

273065761 is an equidigital number, since it uses as much as digits as its factorization.

273065761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 273065761 is about 16524.7015404212. The cubic root of 273065761 is about 648.7674956146.

The spelling of 273065761 in words is "two hundred seventy-three million, sixty-five thousand, seven hundred sixty-one".