273697 has 2 divisors, whose sum is σ = 273698. Its totient is φ = 273696.

The previous prime is 273653. The next prime is 273709. The reversal of 273697 is 796372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 112896 = 401^2 + 336^2 .

It is a cyclic number.

It is not a de Polignac number, because 273697 - 2⁷ = 273569 is a prime.

273697 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (273617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136848 + 136849.

It is an arithmetic number, because the mean of its divisors is an integer number (136849).

2²⁷³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

273697 is a deficient number, since it is larger than the sum of its proper divisors (1).

273697 is an equidigital number, since it uses as much as digits as its factorization.

273697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 273697 is about 523.1605872005. The cubic root of 273697 is about 64.9267023865.

The spelling of 273697 in words is "two hundred seventy-three thousand, six hundred ninety-seven".