506471 has 4 divisors (see below), whose sum is σ = 578832. Its totient is φ = 434112.

The previous prime is 506461. The next prime is 506479. The reversal of 506471 is 174605.

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

It is not a de Polignac number, because 506471 - 2¹⁰ = 505447 is a prime.

It is a super-3 number, since 3×506471³ = 389748995181375333, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36170 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (144708).

2⁵⁰⁶⁴⁷¹ is an apocalyptic number.

506471 is a deficient number, since it is larger than the sum of its proper divisors (72361).

506471 is an equidigital number, since it uses as much as digits as its factorization.

506471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72360.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 506471 is about 711.6677595620. The cubic root of 506471 is about 79.7109884111.

The spelling of 506471 in words is "five hundred six thousand, four hundred seventy-one".