506477 has 4 divisors (see below), whose sum is σ = 507936. Its totient is φ = 505020.

The previous prime is 506461. The next prime is 506479. The reversal of 506477 is 774605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 506477 - 2⁴ = 506461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506477.

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, 128 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (126984).

2⁵⁰⁶⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

506477 is a deficient number, since it is larger than the sum of its proper divisors (1459).

506477 is an equidigital number, since it uses as much as digits as its factorization.

506477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 506477 is about 711.6719749997. The cubic root of 506477 is about 79.7113031800.

The spelling of 506477 in words is "five hundred six thousand, four hundred seventy-seven".