2765480251 has 2 divisors, whose sum is σ = 2765480252. Its totient is φ = 2765480250.

The previous prime is 2765480239. The next prime is 2765480297. The reversal of 2765480251 is 1520845672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2765480251 - 2¹¹ = 2765478203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2765480051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382740125 + 1382740126.

It is an arithmetic number, because the mean of its divisors is an integer number (1382740126).

Almost surely, 2^2765480251 is an apocalyptic number.

2765480251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2765480251 is an equidigital number, since it uses as much as digits as its factorization.

2765480251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2765480251 is about 52587.8336785230. The cubic root of 2765480251 is about 1403.6436128886.

The spelling of 2765480251 in words is "two billion, seven hundred sixty-five million, four hundred eighty thousand, two hundred fifty-one".