2775000001 has 2 divisors, whose sum is σ = 2775000002. Its totient is φ = 2775000000.

The previous prime is 2774999977. The next prime is 2775000013. The reversal of 2775000001 is 1000005772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1747156401 + 1027843600 = 41799^2 + 32060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775000001 - 2⁹ = 2774999489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2775000091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387500000 + 1387500001.

It is an arithmetic number, because the mean of its divisors is an integer number (1387500001).

Almost surely, 2^2775000001 is an apocalyptic number.

It is an amenable number.

2775000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775000001 is an equidigital number, since it uses as much as digits as its factorization.

2775000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 2775000001 is about 52678.2687737553. The cubic root of 2775000001 is about 1405.2523790240.

Adding to 2775000001 its reverse (1000005772), we get a palindrome (3775005773).

The spelling of 2775000001 in words is "two billion, seven hundred seventy-five million, one", and thus it is an aban number.