260455547 has 4 divisors (see below), whose sum is σ = 284133336. Its totient is φ = 236777760.

The previous prime is 260455541. The next prime is 260455549. The reversal of 260455547 is 745554062.

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 260455547 - 2¹⁴ = 260439163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260455547.

It is not an unprimeable number, because it can be changed into a prime (260455541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11838878 + ... + 11838899.

It is an arithmetic number, because the mean of its divisors is an integer number (71033334).

Almost surely, 2^260455547 is an apocalyptic number.

260455547 is a deficient number, since it is larger than the sum of its proper divisors (23677789).

260455547 is a wasteful number, since it uses less digits than its factorization.

260455547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23677788.

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 260455547 is about 16138.6352273047. The cubic root of 260455547 is about 638.6229727370.

The spelling of 260455547 in words is "two hundred sixty million, four hundred fifty-five thousand, five hundred forty-seven".