260958587 has 2 divisors, whose sum is σ = 260958588. Its totient is φ = 260958586.

The previous prime is 260958569. The next prime is 260958601. The reversal of 260958587 is 785859062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260958587 - 2¹⁶ = 260893051 is a prime.

It is not a weakly prime, because it can be changed into another prime (260958547) 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, 130479293 + 130479294.

It is an arithmetic number, because the mean of its divisors is an integer number (130479294).

Almost surely, 2^260958587 is an apocalyptic number.

260958587 is a deficient number, since it is larger than the sum of its proper divisors (1).

260958587 is an equidigital number, since it uses as much as digits as its factorization.

260958587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 260958587 is about 16154.2126703842. The cubic root of 260958587 is about 639.0338506578.

The spelling of 260958587 in words is "two hundred sixty million, nine hundred fifty-eight thousand, five hundred eighty-seven".