2550660361 has 2 divisors, whose sum is σ = 2550660362. Its totient is φ = 2550660360.

The previous prime is 2550660353. The next prime is 2550660391. The reversal of 2550660361 is 1630660552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2508006400 + 42653961 = 50080^2 + 6531^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550660361 - 2³ = 2550660353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2550660311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275330180 + 1275330181.

It is an arithmetic number, because the mean of its divisors is an integer number (1275330181).

Almost surely, 2^2550660361 is an apocalyptic number.

It is an amenable number.

2550660361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550660361 is an equidigital number, since it uses as much as digits as its factorization.

2550660361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2550660361 is about 50504.0628167675. The cubic root of 2550660361 is about 1366.3151303332.

The spelling of 2550660361 in words is "two billion, five hundred fifty million, six hundred sixty thousand, three hundred sixty-one".