2771252205 has 16 divisors (see below), whose sum is σ = 4435188480. Its totient is φ = 1477606208.

The previous prime is 2771252203. The next prime is 2771252213. The reversal of 2771252205 is 5022521772.

It is a cyclic number.

It is not a de Polignac number, because 2771252205 - 2¹ = 2771252203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771252203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38539 + ... + 83831.

It is an arithmetic number, because the mean of its divisors is an integer number (277199280).

Almost surely, 2^2771252205 is an apocalyptic number.

It is an amenable number.

2771252205 is a deficient number, since it is larger than the sum of its proper divisors (1663936275).

2771252205 is a wasteful number, since it uses less digits than its factorization.

2771252205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49380.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 2771252205 is about 52642.6842495707. The cubic root of 2771252205 is about 1404.6194694779.

Adding to 2771252205 its reverse (5022521772), we get a palindrome (7793773977).

The spelling of 2771252205 in words is "two billion, seven hundred seventy-one million, two hundred fifty-two thousand, two hundred five".