273963253 has 2 divisors, whose sum is σ = 273963254. Its totient is φ = 273963252.

The previous prime is 273963251. The next prime is 273963269. The reversal of 273963253 is 352369372.

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., 263965009 + 9998244 = 16247^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 273963253 - 2¹ = 273963251 is a prime.

Together with 273963251, 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 (273963251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136981626 + 136981627.

It is an arithmetic number, because the mean of its divisors is an integer number (136981627).

Almost surely, 2^273963253 is an apocalyptic number.

It is an amenable number.

273963253 is a deficient number, since it is larger than the sum of its proper divisors (1).

273963253 is an equidigital number, since it uses as much as digits as its factorization.

273963253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 40.

The square root of 273963253 is about 16551.8353363003. The cubic root of 273963253 is about 649.4774917267.

The spelling of 273963253 in words is "two hundred seventy-three million, nine hundred sixty-three thousand, two hundred fifty-three".