530261 has 2 divisors, whose sum is σ = 530262. Its totient is φ = 530260.

The previous prime is 530251. The next prime is 530267. The reversal of 530261 is 162035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 244036 = 535^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 530261 - 2⁶ = 530197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265130 + 265131.

It is an arithmetic number, because the mean of its divisors is an integer number (265131).

2⁵³⁰²⁶¹ is an apocalyptic number.

It is an amenable number.

530261 is a deficient number, since it is larger than the sum of its proper divisors (1).

530261 is an equidigital number, since it uses as much as digits as its factorization.

530261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 530261 is about 728.1902224007. The cubic root of 530261 is about 80.9400053636.

Adding to 530261 its reverse (162035), we get a palindrome (692296).

The spelling of 530261 in words is "five hundred thirty thousand, two hundred sixty-one".