613206575503 has 2 divisors, whose sum is σ = 613206575504. Its totient is φ = 613206575502.

The previous prime is 613206575497. The next prime is 613206575507. The reversal of 613206575503 is 305575602316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613206575503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 613206575503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613206575507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306603287751 + 306603287752.

It is an arithmetic number, because the mean of its divisors is an integer number (306603287752).

Almost surely, 2^613206575503 is an apocalyptic number.

613206575503 is a deficient number, since it is larger than the sum of its proper divisors (1).

613206575503 is an equidigital number, since it uses as much as digits as its factorization.

613206575503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 613206575503 in words is "six hundred thirteen billion, two hundred six million, five hundred seventy-five thousand, five hundred three".