504312533 has 4 divisors (see below), whose sum is σ = 504612108. Its totient is φ = 504012960.

The previous prime is 504312499. The next prime is 504312541. The reversal of 504312533 is 335213405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335213405 = 5 ⋅67042681.

It can be written as a sum of positive squares in 2 ways, for example, as 116143729 + 388168804 = 10777^2 + 19702^2 .

It is a cyclic number.

It is not a de Polignac number, because 504312533 - 2¹⁸ = 504050389 is a prime.

It is a super-2 number, since 2×504312533² = 508662261881752178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504312583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147248 + ... + 150633.

It is an arithmetic number, because the mean of its divisors is an integer number (126153027).

Almost surely, 2^504312533 is an apocalyptic number.

It is an amenable number.

504312533 is a deficient number, since it is larger than the sum of its proper divisors (299575).

504312533 is a wasteful number, since it uses less digits than its factorization.

504312533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299574.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 504312533 is about 22456.9039050355. The cubic root of 504312533 is about 795.9759031829.

Adding to 504312533 its reverse (335213405), we get a palindrome (839525938).

It can be divided in two parts, 5043 and 12533, that added together give a cube (17576 = 26³).

The spelling of 504312533 in words is "five hundred four million, three hundred twelve thousand, five hundred thirty-three".