213201001 has 16 divisors (see below), whose sum is σ = 235243008. Its totient is φ = 192024000.

The previous prime is 213200987. The next prime is 213201017. The reversal of 213201001 is 100102312.

It is a cyclic number.

It is not a de Polignac number, because 213201001 - 2⁵ = 213200969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213201041) 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 15 ways as a sum of consecutive naturals, for example, 92080 + ... + 94366.

It is an arithmetic number, because the mean of its divisors is an integer number (14702688).

Almost surely, 2^213201001 is an apocalyptic number.

It is an amenable number.

213201001 is a deficient number, since it is larger than the sum of its proper divisors (22042007).

213201001 is a wasteful number, since it uses less digits than its factorization.

213201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 213201001 is about 14601.4040763209. The cubic root of 213201001 is about 597.3970584138.

Adding to 213201001 its reverse (100102312), we get a palindrome (313303313).

The spelling of 213201001 in words is "two hundred thirteen million, two hundred one thousand, one".