506677 has 4 divisors (see below), whose sum is σ = 512460. Its totient is φ = 500896.

The previous prime is 506663. The next prime is 506683. The reversal of 506677 is 776605.

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 78961 + 427716 = 281^2 + 654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506677 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 (506647) 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, 2758 + ... + 2935.

It is an arithmetic number, because the mean of its divisors is an integer number (128115).

2⁵⁰⁶⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

506677 is a deficient number, since it is larger than the sum of its proper divisors (5783).

506677 is an equidigital number, since it uses as much as digits as its factorization.

506677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 506677 is about 711.8124753051. The cubic root of 506677 is about 79.7217940563.

The spelling of 506677 in words is "five hundred six thousand, six hundred seventy-seven".