531017 has 2 divisors, whose sum is σ = 531018. Its totient is φ = 531016.

The previous prime is 530989. The next prime is 531023. The reversal of 531017 is 710135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 116281 = 644^2 + 341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531017 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 530986 and 531004.

It is not a weakly prime, because it can be changed into another prime (530017) 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, 265508 + 265509.

It is an arithmetic number, because the mean of its divisors is an integer number (265509).

2⁵³¹⁰¹⁷ is an apocalyptic number.

It is an amenable number.

531017 is a deficient number, since it is larger than the sum of its proper divisors (1).

531017 is an equidigital number, since it uses as much as digits as its factorization.

531017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 531017 is about 728.7091326448. The cubic root of 531017 is about 80.9784528370.

The spelling of 531017 in words is "five hundred thirty-one thousand, seventeen".