260481787 has 2 divisors, whose sum is σ = 260481788. Its totient is φ = 260481786.

The previous prime is 260481779. The next prime is 260481797. The reversal of 260481787 is 787184062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260481787 - 2³ = 260481779 is a prime.

It is a super-2 number, since 2×260481787² = 135701522717426738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260481707) 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, 130240893 + 130240894.

It is an arithmetic number, because the mean of its divisors is an integer number (130240894).

Almost surely, 2^260481787 is an apocalyptic number.

260481787 is a deficient number, since it is larger than the sum of its proper divisors (1).

260481787 is an equidigital number, since it uses as much as digits as its factorization.

260481787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 260481787 is about 16139.4481628090. The cubic root of 260481787 is about 638.6444183724.

The spelling of 260481787 in words is "two hundred sixty million, four hundred eighty-one thousand, seven hundred eighty-seven".