504495091 has 4 divisors (see below), whose sum is σ = 504792000. Its totient is φ = 504198184.

The previous prime is 504495083. The next prime is 504495097. The reversal of 504495091 is 190594405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 504495091 - 2³ = 504495083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504495091.

It is not an unprimeable number, because it can be changed into a prime (504495097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145891 + ... + 149308.

It is an arithmetic number, because the mean of its divisors is an integer number (126198000).

Almost surely, 2^504495091 is an apocalyptic number.

504495091 is a deficient number, since it is larger than the sum of its proper divisors (296909).

504495091 is a wasteful number, since it uses less digits than its factorization.

504495091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296908.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 504495091 is about 22460.9681670225. The cubic root of 504495091 is about 796.0719377045.

The spelling of 504495091 in words is "five hundred four million, four hundred ninety-five thousand, ninety-one".