504139801 has 4 divisors (see below), whose sum is σ = 549970704. Its totient is φ = 458308900.

The previous prime is 504139781. The next prime is 504139841. The reversal of 504139801 is 108931405.

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 504139801 - 2¹³ = 504131609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504139841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22915435 + ... + 22915456.

It is an arithmetic number, because the mean of its divisors is an integer number (137492676).

Almost surely, 2^504139801 is an apocalyptic number.

It is an amenable number.

504139801 is a deficient number, since it is larger than the sum of its proper divisors (45830903).

504139801 is a wasteful number, since it uses less digits than its factorization.

504139801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45830902.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 504139801 is about 22453.0577204977. The cubic root of 504139801 is about 795.8850162818.

The spelling of 504139801 in words is "five hundred four million, one hundred thirty-nine thousand, eight hundred one".