30000169 has 2 divisors, whose sum is σ = 30000170. Its totient is φ = 30000168.

The previous prime is 30000167. The next prime is 30000193. The reversal of 30000169 is 96100003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 3374569 = 5160^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000169 - 2¹ = 30000167 is a prime.

It is a super-2 number, since 2×30000169² = 1800020280057122, which contains 22 as substring.

Together with 30000167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30000163) 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, 15000084 + 15000085.

It is an arithmetic number, because the mean of its divisors is an integer number (15000085).

Almost surely, 2^30000169 is an apocalyptic number.

It is an amenable number.

30000169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000169 is an equidigital number, since it uses as much as digits as its factorization.

30000169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 30000169 is about 5477.2410025486. The cubic root of 30000169 is about 310.7238340635.

It can be divided in two parts, 3000016 and 9, that added together give a triangular number (3000025 = T₂₄₄₉).

The spelling of 30000169 in words is "thirty million, one hundred sixty-nine", and thus it is an aban number.