201013001 has 4 divisors (see below), whose sum is σ = 229729152. Its totient is φ = 172296852.

The previous prime is 201012991. The next prime is 201013009. The reversal of 201013001 is 100310102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100310102 = 2 ⋅50155051.

It is a de Polignac number, because none of the positive numbers 2^k-201013001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201013001.

It is not an unprimeable number, because it can be changed into a prime (201013009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14358065 + ... + 14358078.

It is an arithmetic number, because the mean of its divisors is an integer number (57432288).

Almost surely, 2^201013001 is an apocalyptic number.

It is an amenable number.

201013001 is a deficient number, since it is larger than the sum of its proper divisors (28716151).

201013001 is an equidigital number, since it uses as much as digits as its factorization.

201013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28716150.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 201013001 is about 14177.9053812614. The cubic root of 201013001 is about 585.7892296471.

Adding to 201013001 its reverse (100310102), we get a palindrome (301323103).

The spelling of 201013001 in words is "two hundred one million, thirteen thousand, one".