504653 has 4 divisors (see below), whose sum is σ = 512988. Its totient is φ = 496320.

The previous prime is 504631. The next prime is 504661. The reversal of 504653 is 356405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 170569 + 334084 = 413^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 504653 - 2¹⁸ = 242509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504683) 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, 4076 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (128247).

2⁵⁰⁴⁶⁵³ is an apocalyptic number.

It is an amenable number.

504653 is a deficient number, since it is larger than the sum of its proper divisors (8335).

504653 is an equidigital number, since it uses as much as digits as its factorization.

504653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 504653 is about 710.3893298748. The cubic root of 504653 is about 79.6154986950.

The spelling of 504653 in words is "five hundred four thousand, six hundred fifty-three".