30523349 has 2 divisors, whose sum is σ = 30523350. Its totient is φ = 30523348.

The previous prime is 30523343. The next prime is 30523387. The reversal of 30523349 is 94332503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 5373124 = 5015^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 30523349 - 2¹⁶ = 30457813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30523343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261674 + 15261675.

It is an arithmetic number, because the mean of its divisors is an integer number (15261675).

Almost surely, 2^30523349 is an apocalyptic number.

It is an amenable number.

30523349 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523349 is an equidigital number, since it uses as much as digits as its factorization.

30523349 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 29.

The square root of 30523349 is about 5524.7940233098. The cubic root of 30523349 is about 312.5196966785.

The spelling of 30523349 in words is "thirty million, five hundred twenty-three thousand, three hundred forty-nine".