504134421 has 16 divisors (see below), whose sum is σ = 770684928. Its totient is φ = 287146800.

The previous prime is 504134419. The next prime is 504134441. The reversal of 504134421 is 124431405.

It is not a de Polignac number, because 504134421 - 2¹ = 504134419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 504134391 and 504134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504134441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32065 + ... + 45126.

It is an arithmetic number, because the mean of its divisors is an integer number (48167808).

Almost surely, 2^504134421 is an apocalyptic number.

It is an amenable number.

504134421 is a deficient number, since it is larger than the sum of its proper divisors (266550507).

504134421 is a wasteful number, since it uses less digits than its factorization.

504134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77512.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 504134421 is about 22452.9379146694. The cubic root of 504134421 is about 795.8821851381.

Adding to 504134421 its reverse (124431405), we get a palindrome (628565826).

The spelling of 504134421 in words is "five hundred four million, one hundred thirty-four thousand, four hundred twenty-one".