260817247 has 12 divisors (see below), whose sum is σ = 280091520. Its totient is φ = 242028288.

The previous prime is 260817223. The next prime is 260817251. The reversal of 260817247 is 742718062.

It is not a de Polignac number, because 260817247 - 2¹⁵ = 260784479 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 (260817257) 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 11 ways as a sum of consecutive naturals, for example, 89154 + ... + 92032.

It is an arithmetic number, because the mean of its divisors is an integer number (23340960).

Almost surely, 2^260817247 is an apocalyptic number.

260817247 is a deficient number, since it is larger than the sum of its proper divisors (19274273).

260817247 is an equidigital number, since it uses as much as digits as its factorization.

260817247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 260817247 is about 16149.8373676022. The cubic root of 260817247 is about 638.9184589694.

The spelling of 260817247 in words is "two hundred sixty million, eight hundred seventeen thousand, two hundred forty-seven".