530557 has 4 divisors (see below), whose sum is σ = 533500. Its totient is φ = 527616.

The previous prime is 530549. The next prime is 530567. The reversal of 530557 is 755035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 755035 = 5 ⋅151007.

It can be written as a sum of positive squares in 2 ways, for example, as 93636 + 436921 = 306^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 530557 - 2³ = 530549 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 (530507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (133375).

2⁵³⁰⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

530557 is a deficient number, since it is larger than the sum of its proper divisors (2943).

530557 is a wasteful number, since it uses less digits than its factorization.

530557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

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

The square root of 530557 is about 728.3934376420. The cubic root of 530557 is about 80.9550632219.

The spelling of 530557 in words is "five hundred thirty thousand, five hundred fifty-seven".