273555013 has 2 divisors, whose sum is σ = 273555014. Its totient is φ = 273555012.

The previous prime is 273555001. The next prime is 273555043. The reversal of 273555013 is 310555372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255296484 + 18258529 = 15978^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 273555013 - 2²¹ = 271457861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273555043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136777506 + 136777507.

It is an arithmetic number, because the mean of its divisors is an integer number (136777507).

Almost surely, 2^273555013 is an apocalyptic number.

It is an amenable number.

273555013 is a deficient number, since it is larger than the sum of its proper divisors (1).

273555013 is an equidigital number, since it uses as much as digits as its factorization.

273555013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 273555013 is about 16539.4985716013. The cubic root of 273555013 is about 649.1547300714.

The spelling of 273555013 in words is "two hundred seventy-three million, five hundred fifty-five thousand, thirteen".