260571487 has 8 divisors (see below), whose sum is σ = 286072272. Its totient is φ = 235372800.

The previous prime is 260571473. The next prime is 260571497. The reversal of 260571487 is 784175062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260571487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260571457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73714 + ... + 77167.

It is an arithmetic number, because the mean of its divisors is an integer number (35759034).

Almost surely, 2^260571487 is an apocalyptic number.

260571487 is a deficient number, since it is larger than the sum of its proper divisors (25500785).

260571487 is a wasteful number, since it uses less digits than its factorization.

260571487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151049.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 260571487 is about 16142.2268290345. The cubic root of 260571487 is about 638.7177182251.

The spelling of 260571487 in words is "two hundred sixty million, five hundred seventy-one thousand, four hundred eighty-seven".