30115469 has 2 divisors, whose sum is σ = 30115470. Its totient is φ = 30115468.

The previous prime is 30115453. The next prime is 30115507. The reversal of 30115469 is 96451103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17598025 + 12517444 = 4195^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 30115469 - 2⁴ = 30115453 is a prime.

It is a super-2 number, since 2×30115469² = 1813882946179922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30115439) 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, 15057734 + 15057735.

It is an arithmetic number, because the mean of its divisors is an integer number (15057735).

Almost surely, 2^30115469 is an apocalyptic number.

It is an amenable number.

30115469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30115469 is an equidigital number, since it uses as much as digits as its factorization.

30115469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 30115469 is about 5487.7562810314. The cubic root of 30115469 is about 311.1213946950.

The spelling of 30115469 in words is "thirty million, one hundred fifteen thousand, four hundred sixty-nine".