613299997 has 2 divisors, whose sum is σ = 613299998. Its totient is φ = 613299996.

The previous prime is 613299931. The next prime is 613300021. The reversal of 613299997 is 799992316.

613299997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607819716 + 5480281 = 24654^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 613299997 - 2²³ = 604911389 is a prime.

It is a super-2 number, since 2×613299997² = 752273772640400018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613299097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306649998 + 306649999.

It is an arithmetic number, because the mean of its divisors is an integer number (306649999).

Almost surely, 2^613299997 is an apocalyptic number.

It is an amenable number.

613299997 is a deficient number, since it is larger than the sum of its proper divisors (1).

613299997 is an equidigital number, since it uses as much as digits as its factorization.

613299997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 55.

The square root of 613299997 is about 24764.8944475845. The cubic root of 613299997 is about 849.6192052103.

The spelling of 613299997 in words is "six hundred thirteen million, two hundred ninety-nine thousand, nine hundred ninety-seven".