100097 has 4 divisors (see below), whose sum is σ = 100800. Its totient is φ = 99396.
The previous prime is 100069. The next prime is 100103. The reversal of 100097 is 790001.
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: 790001 = 19 ⋅41579.
It is a cyclic number.
It is not a de Polignac number, because 100097 - 212 = 96001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (100057) 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, 53 + ... + 450.
It is an arithmetic number, because the mean of its divisors is an integer number (25200).
2100097 is an apocalyptic number.
It is an amenable number.
100097 is a deficient number, since it is larger than the sum of its proper divisors (703).
100097 is an equidigital number, since it uses as much as digits as its factorization.
100097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702.
The product of its (nonzero) digits is 63, while the sum is 17.
The square root of 100097 is about 316.3810993090. The cubic root of 100097 is about 46.4308912901.
Adding to 100097 its reverse (790001), we get a palindrome (890098).
The spelling of 100097 in words is "one hundred thousand, ninety-seven".
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