213003001 has 2 divisors, whose sum is σ = 213003002. Its totient is φ = 213003000.

The previous prime is 213002917. The next prime is 213003067. The reversal of 213003001 is 100300312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142778601 + 70224400 = 11949^2 + 8380^2 .

It is a cyclic number.

It is not a de Polignac number, because 213003001 - 2⁷ = 213002873 is a prime.

It is not a weakly prime, because it can be changed into another prime (213003701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106501500 + 106501501.

It is an arithmetic number, because the mean of its divisors is an integer number (106501501).

Almost surely, 2^213003001 is an apocalyptic number.

It is an amenable number.

213003001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213003001 is an equidigital number, since it uses as much as digits as its factorization.

213003001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 213003001 is about 14594.6223315302. The cubic root of 213003001 is about 597.2120667034.

Adding to 213003001 its reverse (100300312), we get a palindrome (313303313).

The spelling of 213003001 in words is "two hundred thirteen million, three thousand, one".