213412867 has 2 divisors, whose sum is σ = 213412868. Its totient is φ = 213412866.

The previous prime is 213412813. The next prime is 213412873. The reversal of 213412867 is 768214312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213412867 is a prime.

It is equal to p_11779513 and since 213412867 and 11779513 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 (219412867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106706433 + 106706434.

It is an arithmetic number, because the mean of its divisors is an integer number (106706434).

Almost surely, 2^213412867 is an apocalyptic number.

213412867 is a deficient number, since it is larger than the sum of its proper divisors (1).

213412867 is an equidigital number, since it uses as much as digits as its factorization.

213412867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 213412867 is about 14608.6572620484. The cubic root of 213412867 is about 597.5948783467.

The spelling of 213412867 in words is "two hundred thirteen million, four hundred twelve thousand, eight hundred sixty-seven".