2772117533 has 2 divisors, whose sum is σ = 2772117534. Its totient is φ = 2772117532.

The previous prime is 2772117503. The next prime is 2772117541. The reversal of 2772117533 is 3357112772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1925191129 + 846926404 = 43877^2 + 29102^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772117533 - 2⁸ = 2772117277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772117503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386058766 + 1386058767.

It is an arithmetic number, because the mean of its divisors is an integer number (1386058767).

Almost surely, 2^2772117533 is an apocalyptic number.

It is an amenable number.

2772117533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772117533 is an equidigital number, since it uses as much as digits as its factorization.

2772117533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 38.

The square root of 2772117533 is about 52650.9024898909. The cubic root of 2772117533 is about 1404.7656525002.

It can be divided in two parts, 27721 and 17533, that added together give a palindrome (45254).

The spelling of 2772117533 in words is "two billion, seven hundred seventy-two million, one hundred seventeen thousand, five hundred thirty-three".