273273493 has 2 divisors, whose sum is σ = 273273494. Its totient is φ = 273273492.

The previous prime is 273273491. The next prime is 273273509. The reversal of 273273493 is 394372372.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257217444 + 16056049 = 16038^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 273273493 - 2¹ = 273273491 is a prime.

Together with 273273491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273273491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136636746 + 136636747.

It is an arithmetic number, because the mean of its divisors is an integer number (136636747).

Almost surely, 2^273273493 is an apocalyptic number.

It is an amenable number.

273273493 is a deficient number, since it is larger than the sum of its proper divisors (1).

273273493 is an equidigital number, since it uses as much as digits as its factorization.

273273493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 40.

The square root of 273273493 is about 16530.9858447704. The cubic root of 273273493 is about 648.9319683389.

The spelling of 273273493 in words is "two hundred seventy-three million, two hundred seventy-three thousand, four hundred ninety-three".