613040353 has 2 divisors, whose sum is σ = 613040354. Its totient is φ = 613040352.

The previous prime is 613040299. The next prime is 613040357. The reversal of 613040353 is 353040316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 593750689 + 19289664 = 24367^2 + 4392^2 .

It is a cyclic number.

It is not a de Polignac number, because 613040353 - 2⁹ = 613039841 is a prime.

It is not a weakly prime, because it can be changed into another prime (613040357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306520176 + 306520177.

It is an arithmetic number, because the mean of its divisors is an integer number (306520177).

Almost surely, 2^613040353 is an apocalyptic number.

It is an amenable number.

613040353 is a deficient number, since it is larger than the sum of its proper divisors (1).

613040353 is an equidigital number, since it uses as much as digits as its factorization.

613040353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 613040353 is about 24759.6517140286. The cubic root of 613040353 is about 849.4992912650.

Adding to 613040353 its reverse (353040316), we get a palindrome (966080669).

The spelling of 613040353 in words is "six hundred thirteen million, forty thousand, three hundred fifty-three".