2061035521 has 2 divisors, whose sum is σ = 2061035522. Its totient is φ = 2061035520.

The previous prime is 2061035491. The next prime is 2061035569. The reversal of 2061035521 is 1255301602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2037619600 + 23415921 = 45140^2 + 4839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061035521 - 2⁵ = 2061035489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2061035591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030517760 + 1030517761.

It is an arithmetic number, because the mean of its divisors is an integer number (1030517761).

Almost surely, 2^2061035521 is an apocalyptic number.

It is an amenable number.

2061035521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061035521 is an equidigital number, since it uses as much as digits as its factorization.

2061035521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2061035521 is about 45398.6290652042. The cubic root of 2061035521 is about 1272.6094941182.

The spelling of 2061035521 in words is "two billion, sixty-one million, thirty-five thousand, five hundred twenty-one".