100206863 has 2 divisors, whose sum is σ = 100206864. Its totient is φ = 100206862.

The previous prime is 100206859. The next prime is 100206877. The reversal of 100206863 is 368602001.

It is a weak prime.

It is an emirp because it is prime and its reverse (368602001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100206863 - 2² = 100206859 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100206833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50103431 + 50103432.

It is an arithmetic number, because the mean of its divisors is an integer number (50103432).

Almost surely, 2^100206863 is an apocalyptic number.

100206863 is a deficient number, since it is larger than the sum of its proper divisors (1).

100206863 is an equidigital number, since it uses as much as digits as its factorization.

100206863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 100206863 is about 10010.3378064879. The cubic root of 100206863 is about 464.4787205846.

Adding to 100206863 its reverse (368602001), we get a palindrome (468808864).

The spelling of 100206863 in words is "one hundred million, two hundred six thousand, eight hundred sixty-three".