260535587 has 4 divisors (see below), whose sum is σ = 280576800. Its totient is φ = 240494376.

The previous prime is 260535571. The next prime is 260535593. The reversal of 260535587 is 785535062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260535587 - 2⁴ = 260535571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260535787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10020587 + ... + 10020612.

It is an arithmetic number, because the mean of its divisors is an integer number (70144200).

Almost surely, 2^260535587 is an apocalyptic number.

260535587 is a deficient number, since it is larger than the sum of its proper divisors (20041213).

260535587 is a wasteful number, since it uses less digits than its factorization.

260535587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20041212.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 260535587 is about 16141.1148004095. The cubic root of 260535587 is about 638.6883839600.

The spelling of 260535587 in words is "two hundred sixty million, five hundred thirty-five thousand, five hundred eighty-seven".