100009697 has 4 divisors (see below), whose sum is σ = 100069140. Its totient is φ = 99950256.

The previous prime is 100009669. The next prime is 100009699. The reversal of 100009697 is 796900001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22287841 + 77721856 = 4721^2 + 8816^2 .

It is a cyclic number.

It is not a de Polignac number, because 100009697 - 2¹⁰ = 100008673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100009699) 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, 27122 + ... + 30587.

It is an arithmetic number, because the mean of its divisors is an integer number (25017285).

Almost surely, 2^100009697 is an apocalyptic number.

It is an amenable number.

100009697 is a deficient number, since it is larger than the sum of its proper divisors (59443).

100009697 is an equidigital number, since it uses as much as digits as its factorization.

100009697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59442.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 100009697 is about 10000.4848382466. The cubic root of 100009697 is about 464.1738860387.

Adding to 100009697 its reverse (796900001), we get a palindrome (896909698).

The spelling of 100009697 in words is "one hundred million, nine thousand, six hundred ninety-seven".