100697 has 4 divisors (see below), whose sum is σ = 101796. Its totient is φ = 99600.

The previous prime is 100693. The next prime is 100699. The reversal of 100697 is 796001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 8281 = 304^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 100697 - 2² = 100693 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 100697.

It is not an unprimeable number, because it can be changed into a prime (100693) 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, 398 + ... + 599.

It is an arithmetic number, because the mean of its divisors is an integer number (25449).

2¹⁰⁰⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

100697 is a deficient number, since it is larger than the sum of its proper divisors (1099).

100697 is an equidigital number, since it uses as much as digits as its factorization.

100697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 100697 is about 317.3279061161. The cubic root of 100697 is about 46.5234783351.

Adding to 100697 its reverse (796001), we get a palindrome (896698).

It can be divided in two parts, 100 and 697, that added together give a palindrome (797).

The spelling of 100697 in words is "one hundred thousand, six hundred ninety-seven".