1705945061 has 2 divisors, whose sum is σ = 1705945062. Its totient is φ = 1705945060.

The previous prime is 1705945049. The next prime is 1705945069. The reversal of 1705945061 is 1605495071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1681492036 + 24453025 = 41006^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1705945061 - 2¹⁴ = 1705928677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1705945069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852972530 + 852972531.

It is an arithmetic number, because the mean of its divisors is an integer number (852972531).

Almost surely, 2^1705945061 is an apocalyptic number.

It is an amenable number.

1705945061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1705945061 is an equidigital number, since it uses as much as digits as its factorization.

1705945061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 1705945061 is about 41303.0877901399. The cubic root of 1705945061 is about 1194.8728145540.

The spelling of 1705945061 in words is "one billion, seven hundred five million, nine hundred forty-five thousand, sixty-one".