273388013 has 2 divisors, whose sum is σ = 273388014. Its totient is φ = 273388012.

The previous prime is 273388009. The next prime is 273388043. The reversal of 273388013 is 310883372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151462249 + 121925764 = 12307^2 + 11042^2 .

It is a cyclic number.

It is not a de Polignac number, because 273388013 - 2² = 273388009 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273388043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136694006 + 136694007.

It is an arithmetic number, because the mean of its divisors is an integer number (136694007).

Almost surely, 2^273388013 is an apocalyptic number.

It is an amenable number.

273388013 is a deficient number, since it is larger than the sum of its proper divisors (1).

273388013 is an equidigital number, since it uses as much as digits as its factorization.

273388013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 273388013 is about 16534.4492802149. The cubic root of 273388013 is about 649.0226044138.

The spelling of 273388013 in words is "two hundred seventy-three million, three hundred eighty-eight thousand, thirteen".