273641 has 2 divisors, whose sum is σ = 273642. Its totient is φ = 273640.

The previous prime is 273629. The next prime is 273643. The reversal of 273641 is 146372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235225 + 38416 = 485^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 273641 - 2¹⁸ = 11497 is a prime.

Together with 273643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (273643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136820 + 136821.

It is an arithmetic number, because the mean of its divisors is an integer number (136821).

2²⁷³⁶⁴¹ is an apocalyptic number.

It is an amenable number.

273641 is a deficient number, since it is larger than the sum of its proper divisors (1).

273641 is an equidigital number, since it uses as much as digits as its factorization.

273641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 273641 is about 523.1070636113. The cubic root of 273641 is about 64.9222739573.

The spelling of 273641 in words is "two hundred seventy-three thousand, six hundred forty-one".