213194063 has 2 divisors, whose sum is σ = 213194064. Its totient is φ = 213194062.

The previous prime is 213194053. The next prime is 213194089. The reversal of 213194063 is 360491312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213194063 - 2²² = 208999759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213194053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106597031 + 106597032.

It is an arithmetic number, because the mean of its divisors is an integer number (106597032).

Almost surely, 2^213194063 is an apocalyptic number.

213194063 is a deficient number, since it is larger than the sum of its proper divisors (1).

213194063 is an equidigital number, since it uses as much as digits as its factorization.

213194063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 213194063 is about 14601.1664944963. The cubic root of 213194063 is about 597.3905781663.

The spelling of 213194063 in words is "two hundred thirteen million, one hundred ninety-four thousand, sixty-three".