2520313 has 2 divisors, whose sum is σ = 2520314. Its totient is φ = 2520312.

The previous prime is 2520283. The next prime is 2520319. The reversal of 2520313 is 3130252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2301289 + 219024 = 1517^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520313 - 2⁹ = 2519801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260156 + 1260157.

It is an arithmetic number, because the mean of its divisors is an integer number (1260157).

2^2520313 is an apocalyptic number.

It is an amenable number.

2520313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520313 is an equidigital number, since it uses as much as digits as its factorization.

2520313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2520313 is about 1587.5493693111. The cubic root of 2520313 is about 136.0874761621.

Adding to 2520313 its reverse (3130252), we get a palindrome (5650565).

The spelling of 2520313 in words is "two million, five hundred twenty thousand, three hundred thirteen".