260252761 has 2 divisors, whose sum is σ = 260252762. Its totient is φ = 260252760.

The previous prime is 260252753. The next prime is 260252791. The reversal of 260252761 is 167252062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163840000 + 96412761 = 12800^2 + 9819^2 .

It is a cyclic number.

It is not a de Polignac number, because 260252761 - 2³ = 260252753 is a prime.

It is not a weakly prime, because it can be changed into another prime (260252731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130126380 + 130126381.

It is an arithmetic number, because the mean of its divisors is an integer number (130126381).

Almost surely, 2^260252761 is an apocalyptic number.

It is an amenable number.

260252761 is a deficient number, since it is larger than the sum of its proper divisors (1).

260252761 is an equidigital number, since it uses as much as digits as its factorization.

260252761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 260252761 is about 16132.3513785189. The cubic root of 260252761 is about 638.4571895878.

The spelling of 260252761 in words is "two hundred sixty million, two hundred fifty-two thousand, seven hundred sixty-one".