260216587 has 2 divisors, whose sum is σ = 260216588. Its totient is φ = 260216586.

The previous prime is 260216461. The next prime is 260216611. The reversal of 260216587 is 785612062.

It is a happy number.

260216587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260216587 is a prime.

It is not a weakly prime, because it can be changed into another prime (260216087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130108293 + 130108294.

It is an arithmetic number, because the mean of its divisors is an integer number (130108294).

Almost surely, 2^260216587 is an apocalyptic number.

260216587 is a deficient number, since it is larger than the sum of its proper divisors (1).

260216587 is an equidigital number, since it uses as much as digits as its factorization.

260216587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 260216587 is about 16131.2301762761. The cubic root of 260216587 is about 638.4276072945.

The spelling of 260216587 in words is "two hundred sixty million, two hundred sixteen thousand, five hundred eighty-seven".