100715213 has 2 divisors, whose sum is σ = 100715214. Its totient is φ = 100715212.

The previous prime is 100715207. The next prime is 100715233. The reversal of 100715213 is 312517001.

It is an a-pointer prime, because the next prime (100715233) can be obtained adding 100715213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 37002889 = 7982^2 + 6083^2 .

It is a cyclic number.

It is not a de Polignac number, because 100715213 - 2⁶ = 100715149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100715233) 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, 50357606 + 50357607.

It is an arithmetic number, because the mean of its divisors is an integer number (50357607).

Almost surely, 2^100715213 is an apocalyptic number.

It is an amenable number.

100715213 is a deficient number, since it is larger than the sum of its proper divisors (1).

100715213 is an equidigital number, since it uses as much as digits as its factorization.

100715213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 100715213 is about 10035.6969364365. The cubic root of 100715213 is about 465.2628305629.

The spelling of 100715213 in words is "one hundred million, seven hundred fifteen thousand, two hundred thirteen".