611663113 has 2 divisors, whose sum is σ = 611663114. Its totient is φ = 611663112.

The previous prime is 611663093. The next prime is 611663147. The reversal of 611663113 is 311366116.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394896384 + 216766729 = 19872^2 + 14723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611663113 is a prime.

It is not a weakly prime, because it can be changed into another prime (611663183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305831556 + 305831557.

It is an arithmetic number, because the mean of its divisors is an integer number (305831557).

Almost surely, 2^611663113 is an apocalyptic number.

It is an amenable number.

611663113 is a deficient number, since it is larger than the sum of its proper divisors (1).

611663113 is an equidigital number, since it uses as much as digits as its factorization.

611663113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 611663113 is about 24731.8238914966. The cubic root of 611663113 is about 848.8626601797.

The spelling of 611663113 in words is "six hundred eleven million, six hundred sixty-three thousand, one hundred thirteen".