260739943 has 2 divisors, whose sum is σ = 260739944. Its totient is φ = 260739942.

The previous prime is 260739923. The next prime is 260739959. The reversal of 260739943 is 349937062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260739943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260739943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260739923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130369971 + 130369972.

It is an arithmetic number, because the mean of its divisors is an integer number (130369972).

Almost surely, 2^260739943 is an apocalyptic number.

260739943 is a deficient number, since it is larger than the sum of its proper divisors (1).

260739943 is an equidigital number, since it uses as much as digits as its factorization.

260739943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 260739943 is about 16147.4438534401. The cubic root of 260739943 is about 638.8553294108.

It can be divided in two parts, 2607 and 39943, that multiplied together give a palindrome (104131401).

The spelling of 260739943 in words is "two hundred sixty million, seven hundred thirty-nine thousand, nine hundred forty-three".