356320213 has 2 divisors, whose sum is σ = 356320214. Its totient is φ = 356320212.

The previous prime is 356320201. The next prime is 356320229. The reversal of 356320213 is 312023653.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274995889 + 81324324 = 16583^2 + 9018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356320213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (356320253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178160106 + 178160107.

It is an arithmetic number, because the mean of its divisors is an integer number (178160107).

Almost surely, 2^356320213 is an apocalyptic number.

It is an amenable number.

356320213 is a deficient number, since it is larger than the sum of its proper divisors (1).

356320213 is an equidigital number, since it uses as much as digits as its factorization.

356320213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 356320213 is about 18876.4459843478. The cubic root of 356320213 is about 708.9465386073.

Adding to 356320213 its reverse (312023653), we get a palindrome (668343866).

The spelling of 356320213 in words is "three hundred fifty-six million, three hundred twenty thousand, two hundred thirteen".