214403213 has 4 divisors (see below), whose sum is σ = 214531548. Its totient is φ = 214274880.

The previous prime is 214403209. The next prime is 214403221. The reversal of 214403213 is 312304412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62694724 + 151708489 = 7918^2 + 12317^2 .

It is a cyclic number.

It is not a de Polignac number, because 214403213 - 2² = 214403209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214403243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61628 + ... + 65013.

It is an arithmetic number, because the mean of its divisors is an integer number (53632887).

Almost surely, 2^214403213 is an apocalyptic number.

It is an amenable number.

214403213 is a deficient number, since it is larger than the sum of its proper divisors (128335).

214403213 is a wasteful number, since it uses less digits than its factorization.

214403213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128334.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 214403213 is about 14642.5138893566. The cubic root of 214403213 is about 598.5178351791.

Adding to 214403213 its reverse (312304412), we get a palindrome (526707625).

The spelling of 214403213 in words is "two hundred fourteen million, four hundred three thousand, two hundred thirteen".