213481067 has 2 divisors, whose sum is σ = 213481068. Its totient is φ = 213481066.

The previous prime is 213481013. The next prime is 213481117. The reversal of 213481067 is 760184312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213481067 - 2⁸ = 213480811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213481867) 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, 106740533 + 106740534.

It is an arithmetic number, because the mean of its divisors is an integer number (106740534).

Almost surely, 2^213481067 is an apocalyptic number.

213481067 is a deficient number, since it is larger than the sum of its proper divisors (1).

213481067 is an equidigital number, since it uses as much as digits as its factorization.

213481067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 213481067 is about 14610.9913079161. The cubic root of 213481067 is about 597.6585290387.

The spelling of 213481067 in words is "two hundred thirteen million, four hundred eighty-one thousand, sixty-seven".