2028058561 has 2 divisors, whose sum is σ = 2028058562. Its totient is φ = 2028058560.

The previous prime is 2028058489. The next prime is 2028058583. The reversal of 2028058561 is 1658508202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1984167936 + 43890625 = 44544^2 + 6625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028058561 - 2²⁷ = 1893840833 is a prime.

It is a super-2 number, since 2×2028058561² = 8226043053690781442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028058561.

It is not a weakly prime, because it can be changed into another prime (2028050561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014029280 + 1014029281.

It is an arithmetic number, because the mean of its divisors is an integer number (1014029281).

Almost surely, 2^2028058561 is an apocalyptic number.

It is an amenable number.

2028058561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028058561 is an equidigital number, since it uses as much as digits as its factorization.

2028058561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 2028058561 is about 45033.9711884262. The cubic root of 2028058561 is about 1265.7856380900.

The spelling of 2028058561 in words is "two billion, twenty-eight million, fifty-eight thousand, five hundred sixty-one".