530765 has 16 divisors (see below), whose sum is σ = 693120. Its totient is φ = 388800.

The previous prime is 530753. The next prime is 530767. The reversal of 530765 is 567035.

It is not a de Polignac number, because 530765 - 2⁶ = 530701 is a prime.

It is a super-2 number, since 2×530765² = 563422970450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530767) 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, 3440 + ... + 3590.

It is an arithmetic number, because the mean of its divisors is an integer number (43320).

2⁵³⁰⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

530765 is a deficient number, since it is larger than the sum of its proper divisors (162355).

530765 is a wasteful number, since it uses less digits than its factorization.

530765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 530765 is about 728.5362036303. The cubic root of 530765 is about 80.9656410695.

It can be divided in two parts, 530 and 765, that multiplied together give a triangular number (405450 = T₉₀₀).

The spelling of 530765 in words is "five hundred thirty thousand, seven hundred sixty-five".