504397805 has 4 divisors (see below), whose sum is σ = 605277372. Its totient is φ = 403518240.

The previous prime is 504397787. The next prime is 504397811. The reversal of 504397805 is 508793405.

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 354531241 + 149866564 = 18829^2 + 12242^2 .

It is not a de Polignac number, because 504397805 - 2⁶ = 504397741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50439776 + ... + 50439785.

It is an arithmetic number, because the mean of its divisors is an integer number (151319343).

Almost surely, 2^504397805 is an apocalyptic number.

It is an amenable number.

504397805 is a deficient number, since it is larger than the sum of its proper divisors (100879567).

504397805 is a wasteful number, since it uses less digits than its factorization.

504397805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100879566.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 504397805 is about 22458.8023946069. The cubic root of 504397805 is about 796.0207633490.

The spelling of 504397805 in words is "five hundred four million, three hundred ninety-seven thousand, eight hundred five".