530631 has 10 divisors (see below), whose sum is σ = 792792. Its totient is φ = 353700.

The previous prime is 530609. The next prime is 530641. The reversal of 530631 is 136035.

530631 is a `hidden beast` number, since 5 + 30 + 631 = 666.

It is not a de Polignac number, because 530631 - 2⁵ = 530599 is a prime.

It is a super-2 number, since 2×530631² = 563138516322, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3195 + ... + 3356.

2⁵³⁰⁶³¹ is an apocalyptic number.

530631 is a deficient number, since it is larger than the sum of its proper divisors (262161).

530631 is an equidigital number, since it uses as much as digits as its factorization.

530631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563 (or 6554 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 530631 is about 728.4442325944. Note that the first 3 decimals coincide. The cubic root of 530631 is about 80.9588268114.

Adding to 530631 its reverse (136035), we get a palindrome (666666).

The spelling of 530631 in words is "five hundred thirty thousand, six hundred thirty-one".