273401893 has 2 divisors, whose sum is σ = 273401894. Its totient is φ = 273401892.

The previous prime is 273401839. The next prime is 273401941. The reversal of 273401893 is 398104372.

Together with previous prime (273401839) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236944449 + 36457444 = 15393^2 + 6038^2 .

It is a cyclic number.

It is not a de Polignac number, because 273401893 - 2¹⁷ = 273270821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273401813) 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, 136700946 + 136700947.

It is an arithmetic number, because the mean of its divisors is an integer number (136700947).

Almost surely, 2^273401893 is an apocalyptic number.

It is an amenable number.

273401893 is a deficient number, since it is larger than the sum of its proper divisors (1).

273401893 is an equidigital number, since it uses as much as digits as its factorization.

273401893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 273401893 is about 16534.8690046217. The cubic root of 273401893 is about 649.0335879255.

The spelling of 273401893 in words is "two hundred seventy-three million, four hundred one thousand, eight hundred ninety-three".