504995 has 4 divisors (see below), whose sum is σ = 606000. Its totient is φ = 403992.

The previous prime is 504991. The next prime is 505027. The reversal of 504995 is 599405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599405 = 5 ⋅119881.

It is a cyclic number.

It is not a de Polignac number, because 504995 - 2² = 504991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50495 + ... + 50504.

It is an arithmetic number, because the mean of its divisors is an integer number (151500).

2⁵⁰⁴⁹⁹⁵ is an apocalyptic number.

504995 is a deficient number, since it is larger than the sum of its proper divisors (101005).

504995 is a wasteful number, since it uses less digits than its factorization.

504995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101004.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 504995 is about 710.6300021812. The cubic root of 504995 is about 79.6334795994.

The spelling of 504995 in words is "five hundred four thousand, nine hundred ninety-five".