901169 has 2 divisors, whose sum is σ = 901170. Its totient is φ = 901168.

The previous prime is 901141. The next prime is 901171. The reversal of 901169 is 961109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 67600 = 913^2 + 260^2 .

It is an emirp because it is prime and its reverse (961109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 901169 - 2¹⁶ = 835633 is a prime.

It is a super-2 number, since 2×901169² = 1624211133122, which contains 22 as substring.

Together with 901171, 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 (900169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450584 + 450585.

It is an arithmetic number, because the mean of its divisors is an integer number (450585).

2⁹⁰¹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

901169 is a deficient number, since it is larger than the sum of its proper divisors (1).

901169 is an equidigital number, since it uses as much as digits as its factorization.

901169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 901169 is about 949.2992152109. The cubic root of 901169 is about 96.5907224893.

The spelling of 901169 in words is "nine hundred one thousand, one hundred sixty-nine".