213604067 has 2 divisors, whose sum is σ = 213604068. Its totient is φ = 213604066.

The previous prime is 213604051. The next prime is 213604081. The reversal of 213604067 is 760406312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213604067 - 2⁴ = 213604051 is a prime.

It is not a weakly prime, because it can be changed into another prime (213604037) 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, 106802033 + 106802034.

It is an arithmetic number, because the mean of its divisors is an integer number (106802034).

Almost surely, 2^213604067 is an apocalyptic number.

213604067 is a deficient number, since it is larger than the sum of its proper divisors (1).

213604067 is an equidigital number, since it uses as much as digits as its factorization.

213604067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 213604067 is about 14615.1998617877. The cubic root of 213604067 is about 597.7732900123.

The spelling of 213604067 in words is "two hundred thirteen million, six hundred four thousand, sixty-seven".