613340071 has 2 divisors, whose sum is σ = 613340072. Its totient is φ = 613340070.

The previous prime is 613340069. The next prime is 613340129. The reversal of 613340071 is 170043316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613340071 - 2¹ = 613340069 is a prime.

Together with 613340069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613340041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306670035 + 306670036.

It is an arithmetic number, because the mean of its divisors is an integer number (306670036).

Almost surely, 2^613340071 is an apocalyptic number.

613340071 is a deficient number, since it is larger than the sum of its proper divisors (1).

613340071 is an equidigital number, since it uses as much as digits as its factorization.

613340071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 613340071 is about 24765.7035232194. The cubic root of 613340071 is about 849.6377099652.

Adding to 613340071 its reverse (170043316), we get a palindrome (783383387).

The spelling of 613340071 in words is "six hundred thirteen million, three hundred forty thousand, seventy-one".