213430067 has 2 divisors, whose sum is σ = 213430068. Its totient is φ = 213430066.

The previous prime is 213430057. The next prime is 213430073. The reversal of 213430067 is 760034312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213430067 - 2⁶ = 213430003 is a prime.

It is equal to p_11780405 and since 213430067 and 11780405 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (213430037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106715033 + 106715034.

It is an arithmetic number, because the mean of its divisors is an integer number (106715034).

Almost surely, 2^213430067 is an apocalyptic number.

213430067 is a deficient number, since it is larger than the sum of its proper divisors (1).

213430067 is an equidigital number, since it uses as much as digits as its factorization.

213430067 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 26.

The square root of 213430067 is about 14609.2459422107. The cubic root of 213430067 is about 597.6109322924.

Adding to 213430067 its reverse (760034312), we get a palindrome (973464379).

The spelling of 213430067 in words is "two hundred thirteen million, four hundred thirty thousand, sixty-seven".