171100901 has 2 divisors, whose sum is σ = 171100902. Its totient is φ = 171100900.

The previous prime is 171100849. The next prime is 171100939. The reversal of 171100901 is 109001171.

171100901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 55860676 = 10735^2 + 7474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171100901 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171102901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85550450 + 85550451.

It is an arithmetic number, because the mean of its divisors is an integer number (85550451).

Almost surely, 2^171100901 is an apocalyptic number.

It is an amenable number.

171100901 is a deficient number, since it is larger than the sum of its proper divisors (1).

171100901 is an equidigital number, since it uses as much as digits as its factorization.

171100901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 20.

The square root of 171100901 is about 13080.5543078266. The cubic root of 171100901 is about 555.1590605428.

The spelling of 171100901 in words is "one hundred seventy-one million, one hundred thousand, nine hundred one".