42300169 has 2 divisors, whose sum is σ = 42300170. Its totient is φ = 42300168.

The previous prime is 42300149. The next prime is 42300173. The reversal of 42300169 is 96100324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 374544 = 6475^2 + 612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42300169 is a prime.

It is a super-2 number, since 2×42300169² = 3578608594857122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42300149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150084 + 21150085.

It is an arithmetic number, because the mean of its divisors is an integer number (21150085).

Almost surely, 2^42300169 is an apocalyptic number.

It is an amenable number.

42300169 is a deficient number, since it is larger than the sum of its proper divisors (1).

42300169 is an equidigital number, since it uses as much as digits as its factorization.

42300169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 42300169 is about 6503.8580089052. The cubic root of 42300169 is about 348.4287911475.

The spelling of 42300169 in words is "forty-two million, three hundred thousand, one hundred sixty-nine".