273613013 has 2 divisors, whose sum is σ = 273613014. Its totient is φ = 273613012.

The previous prime is 273613007. The next prime is 273613111. The reversal of 273613013 is 310316372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217916644 + 55696369 = 14762^2 + 7463^2 .

It is a cyclic number.

It is not a de Polignac number, because 273613013 - 2⁶ = 273612949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273613003) 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, 136806506 + 136806507.

It is an arithmetic number, because the mean of its divisors is an integer number (136806507).

Almost surely, 2^273613013 is an apocalyptic number.

It is an amenable number.

273613013 is a deficient number, since it is larger than the sum of its proper divisors (1).

273613013 is an equidigital number, since it uses as much as digits as its factorization.

273613013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 273613013 is about 16541.2518570996. The cubic root of 273613013 is about 649.2006054431.

Adding to 273613013 its reverse (310316372), we get a palindrome (583929385).

The spelling of 273613013 in words is "two hundred seventy-three million, six hundred thirteen thousand, thirteen".