260587487 has 2 divisors, whose sum is σ = 260587488. Its totient is φ = 260587486.

The previous prime is 260587469. The next prime is 260587511. The reversal of 260587487 is 784785062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260587487 - 2⁶ = 260587423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260587087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130293743 + 130293744.

It is an arithmetic number, because the mean of its divisors is an integer number (130293744).

Almost surely, 2^260587487 is an apocalyptic number.

260587487 is a deficient number, since it is larger than the sum of its proper divisors (1).

260587487 is an equidigital number, since it uses as much as digits as its factorization.

260587487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 260587487 is about 16142.7224159991. The cubic root of 260587487 is about 638.7307911243.

The spelling of 260587487 in words is "two hundred sixty million, five hundred eighty-seven thousand, four hundred eighty-seven".