118298513 has 2 divisors, whose sum is σ = 118298514. Its totient is φ = 118298512.

The previous prime is 118298447. The next prime is 118298519. The reversal of 118298513 is 315892811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117332224 + 966289 = 10832^2 + 983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118298513 is a prime.

It is a super-2 number, since 2×118298513² = 27989076356022338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118298519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59149256 + 59149257.

It is an arithmetic number, because the mean of its divisors is an integer number (59149257).

Almost surely, 2^118298513 is an apocalyptic number.

It is an amenable number.

118298513 is a deficient number, since it is larger than the sum of its proper divisors (1).

118298513 is an equidigital number, since it uses as much as digits as its factorization.

118298513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 38.

The square root of 118298513 is about 10876.5119868458. The cubic root of 118298513 is about 490.9000713343.

It can be divided in two parts, 118298 and 513, that added together give a palindrome (118811).

The spelling of 118298513 in words is "one hundred eighteen million, two hundred ninety-eight thousand, five hundred thirteen".