210030001 has 4 divisors (see below), whose sum is σ = 210432112. Its totient is φ = 209627892.

The previous prime is 210029993. The next prime is 210030011. The reversal of 210030001 is 100030012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210030001 - 2³ = 210029993 is a prime.

It is a super-2 number, since 2×210030001² = 88225202640120002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210030011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200271 + ... + 201316.

It is an arithmetic number, because the mean of its divisors is an integer number (52608028).

Almost surely, 2^210030001 is an apocalyptic number.

It is an amenable number.

210030001 is a deficient number, since it is larger than the sum of its proper divisors (402111).

210030001 is an equidigital number, since it uses as much as digits as its factorization.

210030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402110.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 210030001 is about 14492.4118420641. The cubic root of 210030001 is about 594.4204992622.

Adding to 210030001 its reverse (100030012), we get a palindrome (310060013).

The spelling of 210030001 in words is "two hundred ten million, thirty thousand, one".