530491 has 12 divisors (see below), whose sum is σ = 595848. Its totient is φ = 471744.

The previous prime is 530447. The next prime is 530501. The reversal of 530491 is 194035.

It is not a de Polignac number, because 530491 - 2⁹ = 529979 is a prime.

It is a Duffinian number.

530491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (530401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7231 + ... + 7303.

It is an arithmetic number, because the mean of its divisors is an integer number (49654).

2⁵³⁰⁴⁹¹ is an apocalyptic number.

530491 is a deficient number, since it is larger than the sum of its proper divisors (65357).

530491 is a wasteful number, since it uses less digits than its factorization.

530491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 530491 is about 728.3481310472. The cubic root of 530491 is about 80.9517062118.

The spelling of 530491 in words is "five hundred thirty thousand, four hundred ninety-one".