2520606313 has 4 divisors (see below), whose sum is σ = 2524162180. Its totient is φ = 2517050448.

The previous prime is 2520606301. The next prime is 2520606331. The reversal of 2520606313 is 3136060252.

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 706868569 + 1813737744 = 26587^2 + 42588^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520606313 - 2⁵ = 2520606281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520606343) 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, 1776870 + ... + 1778287.

It is an arithmetic number, because the mean of its divisors is an integer number (631040545).

Almost surely, 2^2520606313 is an apocalyptic number.

It is an amenable number.

2520606313 is a deficient number, since it is larger than the sum of its proper divisors (3555867).

2520606313 is an equidigital number, since it uses as much as digits as its factorization.

2520606313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555866.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2520606313 is about 50205.6402508722. The cubic root of 2520606313 is about 1360.9275522565.

Adding to 2520606313 its reverse (3136060252), we get a palindrome (5656666565).

The spelling of 2520606313 in words is "two billion, five hundred twenty million, six hundred six thousand, three hundred thirteen".