213327073 has 4 divisors (see below), whose sum is σ = 213448900. Its totient is φ = 213205248.

The previous prime is 213327071. The next prime is 213327083. The reversal of 213327073 is 370723312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167521249 + 45805824 = 12943^2 + 6768^2 .

It is a cyclic number.

It is not a de Polignac number, because 213327073 - 2¹ = 213327071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213327071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58248 + ... + 61801.

It is an arithmetic number, because the mean of its divisors is an integer number (53362225).

Almost surely, 2^213327073 is an apocalyptic number.

It is an amenable number.

213327073 is a deficient number, since it is larger than the sum of its proper divisors (121827).

213327073 is a wasteful number, since it uses less digits than its factorization.

213327073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121826.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 213327073 is about 14605.7205573707. The cubic root of 213327073 is about 597.5147880072.

The spelling of 213327073 in words is "two hundred thirteen million, three hundred twenty-seven thousand, seventy-three".