2623205513 has 2 divisors, whose sum is σ = 2623205514. Its totient is φ = 2623205512.

The previous prime is 2623205503. The next prime is 2623205521. The reversal of 2623205513 is 3155023262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2374417984 + 248787529 = 48728^2 + 15773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623205513 - 2⁶ = 2623205449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2623205503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311602756 + 1311602757.

It is an arithmetic number, because the mean of its divisors is an integer number (1311602757).

Almost surely, 2^2623205513 is an apocalyptic number.

It is an amenable number.

2623205513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623205513 is an equidigital number, since it uses as much as digits as its factorization.

2623205513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2623205513 is about 51217.2384359016. The cubic root of 2623205513 is about 1379.1476766252.

Adding to 2623205513 its reverse (3155023262), we get a palindrome (5778228775).

The spelling of 2623205513 in words is "two billion, six hundred twenty-three million, two hundred five thousand, five hundred thirteen".