530546 has 4 divisors (see below), whose sum is σ = 795822. Its totient is φ = 265272.

The previous prime is 530539. The next prime is 530549. The reversal of 530546 is 645035.

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

It can be written as a sum of positive squares in only one way, i.e., 511225 + 19321 = 715^2 + 139^2 .

It is not an unprimeable number, because it can be changed into a prime (530549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132635 + ... + 132638.

2⁵³⁰⁵⁴⁶ is an apocalyptic number.

530546 is a deficient number, since it is larger than the sum of its proper divisors (265276).

530546 is a wasteful number, since it uses less digits than its factorization.

530546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265275.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 530546 is about 728.3858867386. The cubic root of 530546 is about 80.9545037396.

The spelling of 530546 in words is "five hundred thirty thousand, five hundred forty-six".