213030767 has 2 divisors, whose sum is σ = 213030768. Its totient is φ = 213030766.

The previous prime is 213030751. The next prime is 213030787. The reversal of 213030767 is 767030312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213030767 - 2⁴ = 213030751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213030737) 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, 106515383 + 106515384.

It is an arithmetic number, because the mean of its divisors is an integer number (106515384).

Almost surely, 2^213030767 is an apocalyptic number.

213030767 is a deficient number, since it is larger than the sum of its proper divisors (1).

213030767 is an equidigital number, since it uses as much as digits as its factorization.

213030767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 213030767 is about 14595.5735413172. The cubic root of 213030767 is about 597.2380154298.

The spelling of 213030767 in words is "two hundred thirteen million, thirty thousand, seven hundred sixty-seven".