2013421001 has 4 divisors (see below), whose sum is σ = 2015561604. Its totient is φ = 2011280400.

The previous prime is 2013420979. The next prime is 2013421021. The reversal of 2013421001 is 1001243102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 685182976 + 1328238025 = 26176^2 + 36445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013421001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013421021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068890 + ... + 1070771.

It is an arithmetic number, because the mean of its divisors is an integer number (503890401).

Almost surely, 2^2013421001 is an apocalyptic number.

It is an amenable number.

2013421001 is a deficient number, since it is larger than the sum of its proper divisors (2140603).

2013421001 is an equidigital number, since it uses as much as digits as its factorization.

2013421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140602.

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

The square root of 2013421001 is about 44871.1600139778. The cubic root of 2013421001 is about 1262.7330029840.

Adding to 2013421001 its reverse (1001243102), we get a palindrome (3014664103).

The spelling of 2013421001 in words is "two billion, thirteen million, four hundred twenty-one thousand, one".