30469513 has 2 divisors, whose sum is σ = 30469514. Its totient is φ = 30469512.

The previous prime is 30469507. The next prime is 30469531. The reversal of 30469513 is 31596403.

Together with next prime (30469531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26904969 + 3564544 = 5187^2 + 1888^2 .

It is an emirp because it is prime and its reverse (31596403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30469513 is a prime.

It is not a weakly prime, because it can be changed into another prime (30469553) 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, 15234756 + 15234757.

It is an arithmetic number, because the mean of its divisors is an integer number (15234757).

Almost surely, 2^30469513 is an apocalyptic number.

It is an amenable number.

30469513 is a deficient number, since it is larger than the sum of its proper divisors (1).

30469513 is an equidigital number, since it uses as much as digits as its factorization.

30469513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 30469513 is about 5519.9196552124. The cubic root of 30469513 is about 312.3358514986.

The spelling of 30469513 in words is "thirty million, four hundred sixty-nine thousand, five hundred thirteen".