260601641 has 2 divisors, whose sum is σ = 260601642. Its totient is φ = 260601640.

The previous prime is 260601623. The next prime is 260601683. The reversal of 260601641 is 146106062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240126016 + 20475625 = 15496^2 + 4525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260601641 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260601641.

It is not a weakly prime, because it can be changed into another prime (260601611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130300820 + 130300821.

It is an arithmetic number, because the mean of its divisors is an integer number (130300821).

Almost surely, 2^260601641 is an apocalyptic number.

It is an amenable number.

260601641 is a deficient number, since it is larger than the sum of its proper divisors (1).

260601641 is an equidigital number, since it uses as much as digits as its factorization.

260601641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 260601641 is about 16143.1608119352. The cubic root of 260601641 is about 638.7423552916.

The spelling of 260601641 in words is "two hundred sixty million, six hundred one thousand, six hundred forty-one".