504045089 has 4 divisors (see below), whose sum is σ = 520304640. Its totient is φ = 487785540.

The previous prime is 504045049. The next prime is 504045131. The reversal of 504045089 is 980540405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 504045089 - 2²⁰ = 502996513 is a prime.

It is a super-2 number, since 2×504045089² = 508122903490035842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504045049) 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 3 ways as a sum of consecutive naturals, for example, 8129729 + ... + 8129790.

It is an arithmetic number, because the mean of its divisors is an integer number (130076160).

Almost surely, 2^504045089 is an apocalyptic number.

It is an amenable number.

504045089 is a deficient number, since it is larger than the sum of its proper divisors (16259551).

504045089 is a wasteful number, since it uses less digits than its factorization.

504045089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16259550.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 504045089 is about 22450.9485100296. The cubic root of 504045089 is about 795.8351725793.

The spelling of 504045089 in words is "five hundred four million, forty-five thousand, eighty-nine".