504305421 has 8 divisors (see below), whose sum is σ = 676860864. Its totient is φ = 333976800.

The previous prime is 504305411. The next prime is 504305437. The reversal of 504305421 is 124503405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 504305421 - 2⁷ = 504305293 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 504305391 and 504305400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504305401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556176 + ... + 557081.

It is an arithmetic number, because the mean of its divisors is an integer number (84607608).

Almost surely, 2^504305421 is an apocalyptic number.

It is an amenable number.

504305421 is a deficient number, since it is larger than the sum of its proper divisors (172555443).

504305421 is a wasteful number, since it uses less digits than its factorization.

504305421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113411.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 504305421 is about 22456.7455567364. The cubic root of 504305421 is about 795.9721614508.

Adding to 504305421 its reverse (124503405), we get a palindrome (628808826).

The spelling of 504305421 in words is "five hundred four million, three hundred five thousand, four hundred twenty-one".