504842089 has 4 divisors (see below), whose sum is σ = 504902980. Its totient is φ = 504781200.

The previous prime is 504842033. The next prime is 504842101. The reversal of 504842089 is 980248405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 398401600 + 106440489 = 19960^2 + 10317^2 .

It is a cyclic number.

It is not a de Polignac number, because 504842089 - 2¹³ = 504833897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504842189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15594 + ... + 35395.

It is an arithmetic number, because the mean of its divisors is an integer number (126225745).

Almost surely, 2^504842089 is an apocalyptic number.

It is an amenable number.

504842089 is a deficient number, since it is larger than the sum of its proper divisors (60891).

504842089 is an equidigital number, since it uses as much as digits as its factorization.

504842089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60890.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 504842089 is about 22468.6913059039. The cubic root of 504842089 is about 796.2544119357.

The spelling of 504842089 in words is "five hundred four million, eight hundred forty-two thousand, eighty-nine".