504152221 has 16 divisors (see below), whose sum is σ = 550354176. Its totient is φ = 459982336.

The previous prime is 504152189. The next prime is 504152239. The reversal of 504152221 is 122251405.

It is a cyclic number.

It is not a de Polignac number, because 504152221 - 2⁵ = 504152189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504152192 and 504152201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504152261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82545 + ... + 88441.

It is an arithmetic number, because the mean of its divisors is an integer number (34397136).

Almost surely, 2^504152221 is an apocalyptic number.

It is an amenable number.

504152221 is a deficient number, since it is larger than the sum of its proper divisors (46201955).

504152221 is a wasteful number, since it uses less digits than its factorization.

504152221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 504152221 is about 22453.3342958234. The cubic root of 504152221 is about 795.8915520421.

The spelling of 504152221 in words is "five hundred four million, one hundred fifty-two thousand, two hundred twenty-one".