2056161533 has 2 divisors, whose sum is σ = 2056161534. Its totient is φ = 2056161532.

The previous prime is 2056161529. The next prime is 2056161539. The reversal of 2056161533 is 3351616502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1368778009 + 687383524 = 36997^2 + 26218^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056161533 - 2² = 2056161529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2056161533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056161539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028080766 + 1028080767.

It is an arithmetic number, because the mean of its divisors is an integer number (1028080767).

Almost surely, 2^2056161533 is an apocalyptic number.

It is an amenable number.

2056161533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056161533 is an equidigital number, since it uses as much as digits as its factorization.

2056161533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2056161533 is about 45344.9173888320. The cubic root of 2056161533 is about 1271.6055361250.

The spelling of 2056161533 in words is "two billion, fifty-six million, one hundred sixty-one thousand, five hundred thirty-three".