2012517313 has 8 divisors (see below), whose sum is σ = 2021841000. Its totient is φ = 2003207808.

The previous prime is 2012517271. The next prime is 2012517323. The reversal of 2012517313 is 3137152102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113039424 + 1899477889 = 10632^2 + 43583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012517313 - 2⁹ = 2012516801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012517323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366613 + ... + 372061.

It is an arithmetic number, because the mean of its divisors is an integer number (252730125).

Almost surely, 2^2012517313 is an apocalyptic number.

It is an amenable number.

2012517313 is a deficient number, since it is larger than the sum of its proper divisors (9323687).

2012517313 is a wasteful number, since it uses less digits than its factorization.

2012517313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2012517313 is about 44861.0890750548. The cubic root of 2012517313 is about 1262.5440563393.

Adding to 2012517313 its reverse (3137152102), we get a palindrome (5149669415).

The spelling of 2012517313 in words is "two billion, twelve million, five hundred seventeen thousand, three hundred thirteen".