505627 has 4 divisors (see below), whose sum is σ = 510640. Its totient is φ = 500616.

The previous prime is 505619. The next prime is 505633. The reversal of 505627 is 726505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 505627 - 2³ = 505619 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 (505607) 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, 2352 + ... + 2557.

It is an arithmetic number, because the mean of its divisors is an integer number (127660).

2⁵⁰⁵⁶²⁷ is an apocalyptic number.

505627 is a deficient number, since it is larger than the sum of its proper divisors (5013).

505627 is a wasteful number, since it uses less digits than its factorization.

505627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 505627 is about 711.0745389901. The cubic root of 505627 is about 79.6666861185. Note that the first 4 decimals are identical.

The spelling of 505627 in words is "five hundred five thousand, six hundred twenty-seven".