260530531 has 2 divisors, whose sum is σ = 260530532. Its totient is φ = 260530530.

The previous prime is 260530511. The next prime is 260530537. The reversal of 260530531 is 135035062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260530531 - 2¹⁷ = 260399459 is a prime.

It is a super-2 number, since 2×260530531² = 135752315166283922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260530496 and 260530505.

It is not a weakly prime, because it can be changed into another prime (260530537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130265265 + 130265266.

It is an arithmetic number, because the mean of its divisors is an integer number (130265266).

Almost surely, 2^260530531 is an apocalyptic number.

260530531 is a deficient number, since it is larger than the sum of its proper divisors (1).

260530531 is an equidigital number, since it uses as much as digits as its factorization.

260530531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 260530531 is about 16140.9581809755. The cubic root of 260530531 is about 638.6842524331.

Adding to 260530531 its reverse (135035062), we get a palindrome (395565593).

The spelling of 260530531 in words is "two hundred sixty million, five hundred thirty thousand, five hundred thirty-one".