504351421 has 8 divisors (see below), whose sum is σ = 577005440. Its totient is φ = 431848368.

The previous prime is 504351413. The next prime is 504351443. The reversal of 504351421 is 124153405.

It is a happy number.

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

It is not a de Polignac number, because 504351421 - 2³ = 504351413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504351451) 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, 30486 + ... + 44023.

It is an arithmetic number, because the mean of its divisors is an integer number (72125680).

Almost surely, 2^504351421 is an apocalyptic number.

It is an amenable number.

504351421 is a deficient number, since it is larger than the sum of its proper divisors (72654019).

504351421 is an equidigital number, since it uses as much as digits as its factorization.

504351421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75483.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 504351421 is about 22457.7697245296. The cubic root of 504351421 is about 795.9963621333.

The spelling of 504351421 in words is "five hundred four million, three hundred fifty-one thousand, four hundred twenty-one".