210213401 has 4 divisors (see below), whose sum is σ = 213776400. Its totient is φ = 206650404.

The previous prime is 210213389. The next prime is 210213457. The reversal of 210213401 is 104312012.

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 210213401 - 2⁶ = 210213337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210213001) 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, 1781411 + ... + 1781528.

It is an arithmetic number, because the mean of its divisors is an integer number (53444100).

Almost surely, 2^210213401 is an apocalyptic number.

It is an amenable number.

210213401 is a deficient number, since it is larger than the sum of its proper divisors (3562999).

210213401 is an equidigital number, since it uses as much as digits as its factorization.

210213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562998.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210213401 is about 14498.7379105907. The cubic root of 210213401 is about 594.5934666208.

Adding to 210213401 its reverse (104312012), we get a palindrome (314525413).

The spelling of 210213401 in words is "two hundred ten million, two hundred thirteen thousand, four hundred one".