213499301 has 2 divisors, whose sum is σ = 213499302. Its totient is φ = 213499300.

The previous prime is 213499291. The next prime is 213499331. The reversal of 213499301 is 103994312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143760100 + 69739201 = 11990^2 + 8351^2 .

It is a cyclic number.

It is not a de Polignac number, because 213499301 - 2²⁶ = 146390437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213499331) 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, 106749650 + 106749651.

It is an arithmetic number, because the mean of its divisors is an integer number (106749651).

Almost surely, 2^213499301 is an apocalyptic number.

It is an amenable number.

213499301 is a deficient number, since it is larger than the sum of its proper divisors (1).

213499301 is an equidigital number, since it uses as much as digits as its factorization.

213499301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 213499301 is about 14611.6152768953. The cubic root of 213499301 is about 597.6755444358.

The spelling of 213499301 in words is "two hundred thirteen million, four hundred ninety-nine thousand, three hundred one".