2001513412 has 12 divisors (see below), whose sum is σ = 3568736556. Its totient is φ = 981874400.

The previous prime is 2001513391. The next prime is 2001513413. The reversal of 2001513412 is 2143151002.

It can be written as a sum of positive squares in 2 ways, for example, as 707240836 + 1294272576 = 26594^2 + 35976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001513412.

It is not an unprimeable number, because it can be changed into a prime (2001513413) 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, 4720339 + ... + 4720762.

It is an arithmetic number, because the mean of its divisors is an integer number (297394713).

Almost surely, 2^2001513412 is an apocalyptic number.

It is an amenable number.

2001513412 is a deficient number, since it is larger than the sum of its proper divisors (1567223144).

2001513412 is a wasteful number, since it uses less digits than its factorization.

2001513412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441158 (or 9441156 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2001513412 is about 44738.2768108026. The cubic root of 2001513412 is about 1260.2387663750.

Adding to 2001513412 its reverse (2143151002), we get a palindrome (4144664414).

The spelling of 2001513412 in words is "two billion, one million, five hundred thirteen thousand, four hundred twelve".