530745 has 16 divisors (see below), whose sum is σ = 870912. Its totient is φ = 275840.

The previous prime is 530743. The next prime is 530753. The reversal of 530745 is 547035.

It is not a de Polignac number, because 530745 - 2¹ = 530743 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530745.

It is not an unprimeable number, because it can be changed into a prime (530741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184 + ... + 1046.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2⁵³⁰⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

530745 is a deficient number, since it is larger than the sum of its proper divisors (340167).

530745 is a wasteful number, since it uses less digits than its factorization.

530745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 530745 is about 728.5224773471. The cubic root of 530745 is about 80.9646240888.

Subtracting 530745 from its reverse (547035), we obtain a triangular number (16290 = T₁₈₀).

It can be divided in two parts, 530 and 745, that added together give a triangular number (1275 = T₅₀).

The spelling of 530745 in words is "five hundred thirty thousand, seven hundred forty-five".