118563013 has 2 divisors, whose sum is σ = 118563014. Its totient is φ = 118563012.

The previous prime is 118563001. The next prime is 118563017. The reversal of 118563013 is 310365811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117548964 + 1014049 = 10842^2 + 1007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118563013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118563017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59281506 + 59281507.

It is an arithmetic number, because the mean of its divisors is an integer number (59281507).

Almost surely, 2^118563013 is an apocalyptic number.

It is an amenable number.

118563013 is a deficient number, since it is larger than the sum of its proper divisors (1).

118563013 is an equidigital number, since it uses as much as digits as its factorization.

118563013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 118563013 is about 10888.6644268248. The cubic root of 118563013 is about 491.2656617797.

The spelling of 118563013 in words is "one hundred eighteen million, five hundred sixty-three thousand, thirteen".