30150509 has 2 divisors, whose sum is σ = 30150510. Its totient is φ = 30150508.

The previous prime is 30150499. The next prime is 30150551. The reversal of 30150509 is 90505103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29106025 + 1044484 = 5395^2 + 1022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30150509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30150559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15075254 + 15075255.

It is an arithmetic number, because the mean of its divisors is an integer number (15075255).

Almost surely, 2^30150509 is an apocalyptic number.

It is an amenable number.

30150509 is a deficient number, since it is larger than the sum of its proper divisors (1).

30150509 is an equidigital number, since it uses as much as digits as its factorization.

30150509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 30150509 is about 5490.9479145226. The cubic root of 30150509 is about 311.2420134185.

The spelling of 30150509 in words is "thirty million, one hundred fifty thousand, five hundred nine".