2772521533 has 2 divisors, whose sum is σ = 2772521534. Its totient is φ = 2772521532.

The previous prime is 2772521527. The next prime is 2772521537. The reversal of 2772521533 is 3351252772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2054174329 + 718347204 = 45323^2 + 26802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772521533 - 2⁵ = 2772521501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2772521492 and 2772521501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772521537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386260766 + 1386260767.

It is an arithmetic number, because the mean of its divisors is an integer number (1386260767).

Almost surely, 2^2772521533 is an apocalyptic number.

It is an amenable number.

2772521533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772521533 is an equidigital number, since it uses as much as digits as its factorization.

2772521533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 37.

The square root of 2772521533 is about 52654.7389415236. The cubic root of 2772521533 is about 1404.8338912803.

The spelling of 2772521533 in words is "two billion, seven hundred seventy-two million, five hundred twenty-one thousand, five hundred thirty-three".