2772521231 has 2 divisors, whose sum is σ = 2772521232. Its totient is φ = 2772521230.

The previous prime is 2772521189. The next prime is 2772521237. The reversal of 2772521231 is 1321252772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2772521231 - 2¹⁰ = 2772520207 is a prime.

It is a super-2 number, since 2×2772521231² = 15373747952691510722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772521237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386260615 + 1386260616.

It is an arithmetic number, because the mean of its divisors is an integer number (1386260616).

Almost surely, 2^2772521231 is an apocalyptic number.

2772521231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772521231 is an equidigital number, since it uses as much as digits as its factorization.

2772521231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 2772521231 is about 52654.7360737854. The cubic root of 2772521231 is about 1404.8338402726.

The spelling of 2772521231 in words is "two billion, seven hundred seventy-two million, five hundred twenty-one thousand, two hundred thirty-one".