30041509 has 2 divisors, whose sum is σ = 30041510. Its totient is φ = 30041508.

The previous prime is 30041491. The next prime is 30041537. The reversal of 30041509 is 90514003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27269284 + 2772225 = 5222^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 30041509 - 2²³ = 21652901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30041509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30041309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15020754 + 15020755.

It is an arithmetic number, because the mean of its divisors is an integer number (15020755).

Almost surely, 2^30041509 is an apocalyptic number.

It is an amenable number.

30041509 is a deficient number, since it is larger than the sum of its proper divisors (1).

30041509 is an equidigital number, since it uses as much as digits as its factorization.

30041509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 30041509 is about 5481.0135011693. The cubic root of 30041509 is about 310.8664935661.

The spelling of 30041509 in words is "thirty million, forty-one thousand, five hundred nine".