2772275245 has 4 divisors (see below), whose sum is σ = 3326730300. Its totient is φ = 2217820192.

The previous prime is 2772275239. The next prime is 2772275257. The reversal of 2772275245 is 5425722772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 436099689 + 2336175556 = 20883^2 + 48334^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772275245 - 2¹¹ = 2772273197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277227520 + ... + 277227529.

It is an arithmetic number, because the mean of its divisors is an integer number (831682575).

Almost surely, 2^2772275245 is an apocalyptic number.

It is an amenable number.

2772275245 is a deficient number, since it is larger than the sum of its proper divisors (554455055).

2772275245 is an equidigital number, since it uses as much as digits as its factorization.

2772275245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554455054.

The product of its digits is 548800, while the sum is 43.

The square root of 2772275245 is about 52652.4001827077. The cubic root of 2772275245 is about 1404.7922920873.

The spelling of 2772275245 in words is "two billion, seven hundred seventy-two million, two hundred seventy-five thousand, two hundred forty-five".