611516713 has 2 divisors, whose sum is σ = 611516714. Its totient is φ = 611516712.

The previous prime is 611516701. The next prime is 611516749. The reversal of 611516713 is 317615116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527023849 + 84492864 = 22957^2 + 9192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611516713 is a prime.

It is not a weakly prime, because it can be changed into another prime (611516783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305758356 + 305758357.

It is an arithmetic number, because the mean of its divisors is an integer number (305758357).

Almost surely, 2^611516713 is an apocalyptic number.

It is an amenable number.

611516713 is a deficient number, since it is larger than the sum of its proper divisors (1).

611516713 is an equidigital number, since it uses as much as digits as its factorization.

611516713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 611516713 is about 24728.8639650106. The cubic root of 611516713 is about 848.7949304076.

The spelling of 611516713 in words is "six hundred eleven million, five hundred sixteen thousand, seven hundred thirteen".