504221045 has 16 divisors (see below), whose sum is σ = 631618560. Its totient is φ = 385968000.

The previous prime is 504221041. The next prime is 504221051. The reversal of 504221045 is 540122405.

It is a happy number.

It is not a de Polignac number, because 504221045 - 2² = 504221041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504221045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504221041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4481 + ... + 32070.

It is an arithmetic number, because the mean of its divisors is an integer number (39476160).

Almost surely, 2^504221045 is an apocalyptic number.

It is an amenable number.

504221045 is a deficient number, since it is larger than the sum of its proper divisors (127397515).

504221045 is a wasteful number, since it uses less digits than its factorization.

504221045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36676.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 504221045 is about 22454.8668444059. The cubic root of 504221045 is about 795.9277672601.

The spelling of 504221045 in words is "five hundred four million, two hundred twenty-one thousand, forty-five".