260888545 has 8 divisors (see below), whose sum is σ = 331482024. Its totient is φ = 196433664.

The previous prime is 260888539. The next prime is 260888561. The reversal of 260888545 is 545888062.

It can be written as a sum of positive squares in 4 ways, for example, as 2547216 + 258341329 = 1596^2 + 16073^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 260888545 - 2⁷ = 260888417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260888495 and 260888504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534554 + ... + 1534723.

It is an arithmetic number, because the mean of its divisors is an integer number (41435253).

Almost surely, 2^260888545 is an apocalyptic number.

It is an amenable number.

260888545 is a deficient number, since it is larger than the sum of its proper divisors (70593479).

260888545 is a wasteful number, since it uses less digits than its factorization.

260888545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069299.

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 260888545 is about 16152.0446074174. The cubic root of 260888545 is about 638.9766727296.

The spelling of 260888545 in words is "two hundred sixty million, eight hundred eighty-eight thousand, five hundred forty-five".