213166027 has 2 divisors, whose sum is σ = 213166028. Its totient is φ = 213166026.

The previous prime is 213166003. The next prime is 213166049. The reversal of 213166027 is 720661312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213166027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213165986 and 213166004.

It is not a weakly prime, because it can be changed into another prime (213166067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106583013 + 106583014.

It is an arithmetic number, because the mean of its divisors is an integer number (106583014).

Almost surely, 2^213166027 is an apocalyptic number.

213166027 is a deficient number, since it is larger than the sum of its proper divisors (1).

213166027 is an equidigital number, since it uses as much as digits as its factorization.

213166027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 213166027 is about 14600.2064026506. The cubic root of 213166027 is about 597.3643904820.

The spelling of 213166027 in words is "two hundred thirteen million, one hundred sixty-six thousand, twenty-seven".