213300161 has 2 divisors, whose sum is σ = 213300162. Its totient is φ = 213300160.

The previous prime is 213300151. The next prime is 213300179. The reversal of 213300161 is 161003312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204633025 + 8667136 = 14305^2 + 2944^2 .

It is a cyclic number.

It is not a de Polignac number, because 213300161 - 2¹⁰ = 213299137 is a prime.

It is not a weakly prime, because it can be changed into another prime (213300121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106650080 + 106650081.

It is an arithmetic number, because the mean of its divisors is an integer number (106650081).

Almost surely, 2^213300161 is an apocalyptic number.

It is an amenable number.

213300161 is a deficient number, since it is larger than the sum of its proper divisors (1).

213300161 is an equidigital number, since it uses as much as digits as its factorization.

213300161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 213300161 is about 14604.7992454535. The cubic root of 213300161 is about 597.4896607164.

Adding to 213300161 its reverse (161003312), we get a palindrome (374303473).

The spelling of 213300161 in words is "two hundred thirteen million, three hundred thousand, one hundred sixty-one".