260544243 has 16 divisors (see below), whose sum is σ = 359238656. Its totient is φ = 167793120.

The previous prime is 260544239. The next prime is 260544247. The reversal of 260544243 is 342445062.

It is an interprime number because it is at equal distance from previous prime (260544239) and next prime (260544247).

It is not a de Polignac number, because 260544243 - 2² = 260544239 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 260544243.

It is not an unprimeable number, because it can be changed into a prime (260544247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57621 + ... + 61977.

It is an arithmetic number, because the mean of its divisors is an integer number (22452416).

Almost surely, 2^260544243 is an apocalyptic number.

260544243 is a deficient number, since it is larger than the sum of its proper divisors (98694413).

260544243 is a wasteful number, since it uses less digits than its factorization.

260544243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 260544243 is about 16141.3829333177. The cubic root of 260544243 is about 638.6954571146.

The spelling of 260544243 in words is "two hundred sixty million, five hundred forty-four thousand, two hundred forty-three".