504520231 has 16 divisors (see below), whose sum is σ = 524450304. Its totient is φ = 485049024.

The previous prime is 504520229. The next prime is 504520241. The reversal of 504520231 is 132025405.

It is not a de Polignac number, because 504520231 - 2¹ = 504520229 is a prime.

It is a super-2 number, since 2×504520231² = 509081326976586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504520241) 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, 1103755 + ... + 1104211.

It is an arithmetic number, because the mean of its divisors is an integer number (32778144).

Almost surely, 2^504520231 is an apocalyptic number.

504520231 is a deficient number, since it is larger than the sum of its proper divisors (19930073).

504520231 is a wasteful number, since it uses less digits than its factorization.

504520231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 504520231 is about 22461.5277975475. The cubic root of 504520231 is about 796.0851607707.

Adding to 504520231 its reverse (132025405), we get a palindrome (636545636).

The spelling of 504520231 in words is "five hundred four million, five hundred twenty thousand, two hundred thirty-one".