27213343 has 2 divisors, whose sum is σ = 27213344. Its totient is φ = 27213342.

The previous prime is 27213341. The next prime is 27213409. The reversal of 27213343 is 34331272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27213343 - 2¹ = 27213341 is a prime.

It is a super-3 number, since 3×27213343³ (a number of 23 digits) contains 333 as substring.

Together with 27213341, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27213341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13606671 + 13606672.

It is an arithmetic number, because the mean of its divisors is an integer number (13606672).

Almost surely, 2^27213343 is an apocalyptic number.

27213343 is a deficient number, since it is larger than the sum of its proper divisors (1).

27213343 is an equidigital number, since it uses as much as digits as its factorization.

27213343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 25.

The square root of 27213343 is about 5216.6409690528. The cubic root of 27213343 is about 300.7880871751.

It can be divided in two parts, 27213 and 343, that added together give a square (27556 = 166²).

The spelling of 27213343 in words is "twenty-seven million, two hundred thirteen thousand, three hundred forty-three".