613243573 has 2 divisors, whose sum is σ = 613243574. Its totient is φ = 613243572.

The previous prime is 613243559. The next prime is 613243613. The reversal of 613243573 is 375342316.

613243573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318194244 + 295049329 = 17838^2 + 17177^2 .

It is a cyclic number.

It is not a de Polignac number, because 613243573 - 2²¹ = 611146421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613246573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306621786 + 306621787.

It is an arithmetic number, because the mean of its divisors is an integer number (306621787).

Almost surely, 2^613243573 is an apocalyptic number.

It is an amenable number.

613243573 is a deficient number, since it is larger than the sum of its proper divisors (1).

613243573 is an equidigital number, since it uses as much as digits as its factorization.

613243573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

The square root of 613243573 is about 24763.7552281555. The cubic root of 613243573 is about 849.5931492374.

Adding to 613243573 its reverse (375342316), we get a palindrome (988585889).

The spelling of 613243573 in words is "six hundred thirteen million, two hundred forty-three thousand, five hundred seventy-three".