260647147 has 4 divisors (see below), whose sum is σ = 260694616. Its totient is φ = 260599680.

The previous prime is 260647133. The next prime is 260647169. The reversal of 260647147 is 741746062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741746062 = 2 ⋅370873031.

It is a cyclic number.

It is not a de Polignac number, because 260647147 - 2⁷ = 260647019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260647117) 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, 14229 + ... + 26902.

It is an arithmetic number, because the mean of its divisors is an integer number (65173654).

Almost surely, 2^260647147 is an apocalyptic number.

260647147 is a deficient number, since it is larger than the sum of its proper divisors (47469).

260647147 is an equidigital number, since it uses as much as digits as its factorization.

260647147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47468.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 260647147 is about 16144.5702017737. The cubic root of 260647147 is about 638.7795319799.

The spelling of 260647147 in words is "two hundred sixty million, six hundred forty-seven thousand, one hundred forty-seven".