100775497 has 2 divisors, whose sum is σ = 100775498. Its totient is φ = 100775496.

The previous prime is 100775459. The next prime is 100775503. The reversal of 100775497 is 794577001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 36711481 = 8004^2 + 6059^2 .

It is an emirp because it is prime and its reverse (794577001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100775497 - 2⁷ = 100775369 is a prime.

It is not a weakly prime, because it can be changed into another prime (100775407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50387748 + 50387749.

It is an arithmetic number, because the mean of its divisors is an integer number (50387749).

Almost surely, 2^100775497 is an apocalyptic number.

It is an amenable number.

100775497 is a deficient number, since it is larger than the sum of its proper divisors (1).

100775497 is an equidigital number, since it uses as much as digits as its factorization.

100775497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 100775497 is about 10038.6999656330. The cubic root of 100775497 is about 465.3556411370.

The spelling of 100775497 in words is "one hundred million, seven hundred seventy-five thousand, four hundred ninety-seven".