213459199 has 2 divisors, whose sum is σ = 213459200. Its totient is φ = 213459198.

The previous prime is 213459193. The next prime is 213459203. The reversal of 213459199 is 991954312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213459199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213459193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106729599 + 106729600.

It is an arithmetic number, because the mean of its divisors is an integer number (106729600).

Almost surely, 2^213459199 is an apocalyptic number.

213459199 is a deficient number, since it is larger than the sum of its proper divisors (1).

213459199 is an equidigital number, since it uses as much as digits as its factorization.

213459199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 213459199 is about 14610.2429480142. The cubic root of 213459199 is about 597.6381212290.

The spelling of 213459199 in words is "two hundred thirteen million, four hundred fifty-nine thousand, one hundred ninety-nine".