100897 has 4 divisors (see below), whose sum is σ = 101680. Its totient is φ = 100116.

The previous prime is 100853. The next prime is 100907. The reversal of 100897 is 798001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 798001 = 101 ⋅7901.

It is a cyclic number.

It is not a de Polignac number, because 100897 - 2⁷ = 100769 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (100847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147 + ... + 472.

It is an arithmetic number, because the mean of its divisors is an integer number (25420).

2¹⁰⁰⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

100897 is a deficient number, since it is larger than the sum of its proper divisors (783).

100897 is an equidigital number, since it uses as much as digits as its factorization.

100897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 100897 is about 317.6428812361. The cubic root of 100897 is about 46.5542589352.

Adding to 100897 its reverse (798001), we get a palindrome (898898).

The spelling of 100897 in words is "one hundred thousand, eight hundred ninety-seven".