100895213 has 2 divisors, whose sum is σ = 100895214. Its totient is φ = 100895212.

The previous prime is 100895203. The next prime is 100895257. The reversal of 100895213 is 312598001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95316169 + 5579044 = 9763^2 + 2362^2 .

It is an emirp because it is prime and its reverse (312598001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100895213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100895203) 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, 50447606 + 50447607.

It is an arithmetic number, because the mean of its divisors is an integer number (50447607).

Almost surely, 2^100895213 is an apocalyptic number.

It is an amenable number.

100895213 is a deficient number, since it is larger than the sum of its proper divisors (1).

100895213 is an equidigital number, since it uses as much as digits as its factorization.

100895213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 100895213 is about 10044.6609201107. The cubic root of 100895213 is about 465.5398409070.

The spelling of 100895213 in words is "one hundred million, eight hundred ninety-five thousand, two hundred thirteen".