504071 has 4 divisors (see below), whose sum is σ = 505632. Its totient is φ = 502512.

The previous prime is 504061. The next prime is 504073. The reversal of 504071 is 170405.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504071 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 (504073) 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, 95 + ... + 1008.

It is an arithmetic number, because the mean of its divisors is an integer number (126408).

2⁵⁰⁴⁰⁷¹ is an apocalyptic number.

504071 is the 380-th centered heptagonal number.

504071 is a deficient number, since it is larger than the sum of its proper divisors (1561).

504071 is a wasteful number, since it uses less digits than its factorization.

504071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 504071 is about 709.9795771711. The cubic root of 504071 is about 79.5848809277.

Adding to 504071 its reverse (170405), we get a palindrome (674476).

The spelling of 504071 in words is "five hundred four thousand, seventy-one".