100518697 has 2 divisors, whose sum is σ = 100518698. Its totient is φ = 100518696.

The previous prime is 100518679. The next prime is 100518701. The reversal of 100518697 is 796815001.

Together with previous prime (100518679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65755881 + 34762816 = 8109^2 + 5896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100518697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100518497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50259348 + 50259349.

It is an arithmetic number, because the mean of its divisors is an integer number (50259349).

Almost surely, 2^100518697 is an apocalyptic number.

It is an amenable number.

100518697 is a deficient number, since it is larger than the sum of its proper divisors (1).

100518697 is an equidigital number, since it uses as much as digits as its factorization.

100518697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 100518697 is about 10025.9013061171. The cubic root of 100518697 is about 464.9600258542.

The spelling of 100518697 in words is "one hundred million, five hundred eighteen thousand, six hundred ninety-seven".