30522013 has 2 divisors, whose sum is σ = 30522014. Its totient is φ = 30522012.

The previous prime is 30521993. The next prime is 30522029. The reversal of 30522013 is 31022503.

It is an a-pointer prime, because the next prime (30522029) can be obtained adding 30522013 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24186724 + 6335289 = 4918^2 + 2517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30522013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30522043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261006 + 15261007.

It is an arithmetic number, because the mean of its divisors is an integer number (15261007).

Almost surely, 2^30522013 is an apocalyptic number.

It is an amenable number.

30522013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30522013 is an equidigital number, since it uses as much as digits as its factorization.

30522013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30522013 is about 5524.6731125018. The cubic root of 30522013 is about 312.5151369734.

Adding to 30522013 its reverse (31022503), we get a palindrome (61544516).

The spelling of 30522013 in words is "thirty million, five hundred twenty-two thousand, thirteen".