2760860261 has 2 divisors, whose sum is σ = 2760860262. Its totient is φ = 2760860260.

The previous prime is 2760860171. The next prime is 2760860273. The reversal of 2760860261 is 1620680672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2754255361 + 6604900 = 52481^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2760860261 - 2²⁶ = 2693751397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2760860161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380430130 + 1380430131.

It is an arithmetic number, because the mean of its divisors is an integer number (1380430131).

Almost surely, 2^2760860261 is an apocalyptic number.

It is an amenable number.

2760860261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2760860261 is an equidigital number, since it uses as much as digits as its factorization.

2760860261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2760860261 is about 52543.8889025165. Note that the first 3 decimals coincide. The cubic root of 2760860261 is about 1402.8615384827.

The spelling of 2760860261 in words is "two billion, seven hundred sixty million, eight hundred sixty thousand, two hundred sixty-one".