213306029 has 2 divisors, whose sum is σ = 213306030. Its totient is φ = 213306028.

The previous prime is 213306013. The next prime is 213306043. The reversal of 213306029 is 920603312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213306025 + 4 = 14605^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 213306029 - 2⁴ = 213306013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213305989 and 213306007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213306229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106653014 + 106653015.

It is an arithmetic number, because the mean of its divisors is an integer number (106653015).

Almost surely, 2^213306029 is an apocalyptic number.

It is an amenable number.

213306029 is a deficient number, since it is larger than the sum of its proper divisors (1).

213306029 is an equidigital number, since it uses as much as digits as its factorization.

213306029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 213306029 is about 14605.0001369394. Note that the first 3 decimals coincide. The cubic root of 213306029 is about 597.4951397514.

The spelling of 213306029 in words is "two hundred thirteen million, three hundred six thousand, twenty-nine".