213064867 has 2 divisors, whose sum is σ = 213064868. Its totient is φ = 213064866.

The previous prime is 213064861. The next prime is 213064877. The reversal of 213064867 is 768460312.

213064867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213064867 is a prime.

It is not a weakly prime, because it can be changed into another prime (213064861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106532433 + 106532434.

It is an arithmetic number, because the mean of its divisors is an integer number (106532434).

Almost surely, 2^213064867 is an apocalyptic number.

213064867 is a deficient number, since it is larger than the sum of its proper divisors (1).

213064867 is an equidigital number, since it uses as much as digits as its factorization.

213064867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 213064867 is about 14596.7416569589. The cubic root of 213064867 is about 597.2698805137.

The spelling of 213064867 in words is "two hundred thirteen million, sixty-four thousand, eight hundred sixty-seven".