2513305849 has 2 divisors, whose sum is σ = 2513305850. Its totient is φ = 2513305848.

The previous prime is 2513305813. The next prime is 2513305853. The reversal of 2513305849 is 9485033152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1496142400 + 1017163449 = 38680^2 + 31893^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513305849 - 2⁹ = 2513305337 is a prime.

It is a super-2 number, since 2×2513305849² = 12633412581235221602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2513305349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256652924 + 1256652925.

It is an arithmetic number, because the mean of its divisors is an integer number (1256652925).

Almost surely, 2^2513305849 is an apocalyptic number.

It is an amenable number.

2513305849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513305849 is an equidigital number, since it uses as much as digits as its factorization.

2513305849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2513305849 is about 50132.8819139694. The cubic root of 2513305849 is about 1359.6123911614.

The spelling of 2513305849 in words is "two billion, five hundred thirteen million, three hundred five thousand, eight hundred forty-nine".