504021069 has 16 divisors (see below), whose sum is σ = 755697600. Its totient is φ = 331964208.

The previous prime is 504021061. The next prime is 504021071. The reversal of 504021069 is 960120405.

It is not a de Polignac number, because 504021069 - 2³ = 504021061 is a prime.

It is a super-2 number, since 2×504021069² = 508074475991805522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504021061) 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, 110214 + ... + 114695.

It is an arithmetic number, because the mean of its divisors is an integer number (47231100).

Almost surely, 2^504021069 is an apocalyptic number.

It is an amenable number.

504021069 is a deficient number, since it is larger than the sum of its proper divisors (251676531).

504021069 is a wasteful number, since it uses less digits than its factorization.

504021069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225001 (or 224995 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 504021069 is about 22450.4135596652. The cubic root of 504021069 is about 795.8225306782.

The spelling of 504021069 in words is "five hundred four million, twenty-one thousand, sixty-nine".