504243453 has 16 divisors (see below), whose sum is σ = 769049216. Its totient is φ = 287884800.

The previous prime is 504243419. The next prime is 504243469. The reversal of 504243453 is 354342405.

It is not a de Polignac number, because 504243453 - 2¹⁰ = 504242429 is a prime.

It is a super-2 number, since 2×504243453² = 508522919786726418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504243453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504243253) 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, 15225 + ... + 35217.

It is an arithmetic number, because the mean of its divisors is an integer number (48065576).

Almost surely, 2^504243453 is an apocalyptic number.

It is an amenable number.

504243453 is a deficient number, since it is larger than the sum of its proper divisors (264805763).

504243453 is a wasteful number, since it uses less digits than its factorization.

504243453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21204.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 504243453 is about 22455.3657952838. The cubic root of 504243453 is about 795.9395576481.

Adding to 504243453 its reverse (354342405), we get a palindrome (858585858).

The spelling of 504243453 in words is "five hundred four million, two hundred forty-three thousand, four hundred fifty-three".