505089169 has 8 divisors (see below), whose sum is σ = 561489152. Its totient is φ = 451195920.

The previous prime is 505089161. The next prime is 505089187. The reversal of 505089169 is 961980505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505089169 - 2³ = 505089161 is a prime.

It is a super-2 number, since 2×505089169² = 510230137282221122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505089161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626259 + ... + 627064.

It is an arithmetic number, because the mean of its divisors is an integer number (70186144).

Almost surely, 2^505089169 is an apocalyptic number.

It is an amenable number.

505089169 is a deficient number, since it is larger than the sum of its proper divisors (56399983).

505089169 is a wasteful number, since it uses less digits than its factorization.

505089169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253367.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 505089169 is about 22474.1889508832. The cubic root of 505089169 is about 796.3842917913.

The spelling of 505089169 in words is "five hundred five million, eighty-nine thousand, one hundred sixty-nine".