213303001 has 2 divisors, whose sum is σ = 213303002. Its totient is φ = 213303000.

The previous prime is 213302993. The next prime is 213303017. The reversal of 213303001 is 100303312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133379401 + 79923600 = 11549^2 + 8940^2 .

It is a cyclic number.

It is not a de Polignac number, because 213303001 - 2³ = 213302993 is a prime.

It is not a weakly prime, because it can be changed into another prime (213303071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651500 + 106651501.

It is an arithmetic number, because the mean of its divisors is an integer number (106651501).

Almost surely, 2^213303001 is an apocalyptic number.

It is an amenable number.

213303001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213303001 is an equidigital number, since it uses as much as digits as its factorization.

213303001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 213303001 is about 14604.8964734434. The cubic root of 213303001 is about 597.4923124773.

Adding to 213303001 its reverse (100303312), we get a palindrome (313606313).

The spelling of 213303001 in words is "two hundred thirteen million, three hundred three thousand, one".