504053281 has 12 divisors (see below), whose sum is σ = 537426832. Its totient is φ = 472650048.

The previous prime is 504053233. The next prime is 504053287. The reversal of 504053281 is 182350405.

It is a de Polignac number, because none of the positive numbers 2^k-504053281 is a prime.

It is a super-2 number, since 2×504053281² = 508139420173729922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504053287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78706 + ... + 84868.

Almost surely, 2^504053281 is an apocalyptic number.

It is an amenable number.

504053281 is a deficient number, since it is larger than the sum of its proper divisors (33373551).

504053281 is a wasteful number, since it uses less digits than its factorization.

504053281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 504053281 is about 22451.1309514688. The cubic root of 504053281 is about 795.8394839968.

The spelling of 504053281 in words is "five hundred four million, fifty-three thousand, two hundred eighty-one".