505573 has 2 divisors, whose sum is σ = 505574. Its totient is φ = 505572.

The previous prime is 505559. The next prime is 505601. The reversal of 505573 is 375505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 12769 = 702^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 505573 - 2⁹ = 505061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505513) 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 as a sum of consecutive naturals, namely, 252786 + 252787.

It is an arithmetic number, because the mean of its divisors is an integer number (252787).

2⁵⁰⁵⁵⁷³ is an apocalyptic number.

It is an amenable number.

505573 is a deficient number, since it is larger than the sum of its proper divisors (1).

505573 is an equidigital number, since it uses as much as digits as its factorization.

505573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 505573 is about 711.0365672734. The cubic root of 505573 is about 79.6638499342.

The spelling of 505573 in words is "five hundred five thousand, five hundred seventy-three".