2620313 has 2 divisors, whose sum is σ = 2620314. Its totient is φ = 2620312.

The previous prime is 2620307. The next prime is 2620339. The reversal of 2620313 is 3130262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2534464 + 85849 = 1592^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620313 - 2¹⁰ = 2619289 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2620291 and 2620300.

It is not a weakly prime, because it can be changed into another prime (2620913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310156 + 1310157.

It is an arithmetic number, because the mean of its divisors is an integer number (1310157).

2^2620313 is an apocalyptic number.

It is an amenable number.

2620313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620313 is an equidigital number, since it uses as much as digits as its factorization.

2620313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2620313 is about 1618.7380887593. The cubic root of 2620313 is about 137.8640578254.

Adding to 2620313 its reverse (3130262), we get a palindrome (5750575).

The spelling of 2620313 in words is "two million, six hundred twenty thousand, three hundred thirteen".