260528839 has 2 divisors, whose sum is σ = 260528840. Its totient is φ = 260528838.

The previous prime is 260528819. The next prime is 260528887. The reversal of 260528839 is 938825062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260528839 - 2¹⁹ = 260004551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260528795 and 260528804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260528819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130264419 + 130264420.

It is an arithmetic number, because the mean of its divisors is an integer number (130264420).

Almost surely, 2^260528839 is an apocalyptic number.

260528839 is a deficient number, since it is larger than the sum of its proper divisors (1).

260528839 is an equidigital number, since it uses as much as digits as its factorization.

260528839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 260528839 is about 16140.9057676451. The cubic root of 260528839 is about 638.6828697979.

The spelling of 260528839 in words is "two hundred sixty million, five hundred twenty-eight thousand, eight hundred thirty-nine".