201052169 has 2 divisors, whose sum is σ = 201052170. Its totient is φ = 201052168.

The previous prime is 201052141. The next prime is 201052171. The reversal of 201052169 is 961250102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194742025 + 6310144 = 13955^2 + 2512^2 .

It is a cyclic number.

It is not a de Polignac number, because 201052169 - 2²⁰ = 200003593 is a prime.

It is a super-2 number, since 2×201052169² = 80843949319209122, which contains 22 as substring.

Together with 201052171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201052109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100526084 + 100526085.

It is an arithmetic number, because the mean of its divisors is an integer number (100526085).

Almost surely, 2^201052169 is an apocalyptic number.

It is an amenable number.

201052169 is a deficient number, since it is larger than the sum of its proper divisors (1).

201052169 is an equidigital number, since it uses as much as digits as its factorization.

201052169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 201052169 is about 14179.2866181624. The cubic root of 201052169 is about 585.8272747857.

The spelling of 201052169 in words is "two hundred one million, fifty-two thousand, one hundred sixty-nine".