213066367 has 4 divisors (see below), whose sum is σ = 213141240. Its totient is φ = 212991496.

The previous prime is 213066311. The next prime is 213066383. The reversal of 213066367 is 763660312.

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

It is a cyclic number.

It is not a de Polignac number, because 213066367 - 2¹⁹ = 212542079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213066067) 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, 32992 + ... + 38917.

It is an arithmetic number, because the mean of its divisors is an integer number (53285310).

Almost surely, 2^213066367 is an apocalyptic number.

213066367 is a deficient number, since it is larger than the sum of its proper divisors (74873).

213066367 is an equidigital number, since it uses as much as digits as its factorization.

213066367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74872.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 213066367 is about 14596.7930381985. The cubic root of 213066367 is about 597.2712821255.

The spelling of 213066367 in words is "two hundred thirteen million, sixty-six thousand, three hundred sixty-seven".