30014521 has 2 divisors, whose sum is σ = 30014522. Its totient is φ = 30014520.

The previous prime is 30014519. The next prime is 30014527. The reversal of 30014521 is 12541003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 4562496 = 5045^2 + 2136^2 .

It is a cyclic number.

It is not a de Polignac number, because 30014521 - 2¹ = 30014519 is a prime.

Together with 30014519, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30014495 and 30014504.

It is not a weakly prime, because it can be changed into another prime (30014527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15007260 + 15007261.

It is an arithmetic number, because the mean of its divisors is an integer number (15007261).

Almost surely, 2^30014521 is an apocalyptic number.

It is an amenable number.

30014521 is a deficient number, since it is larger than the sum of its proper divisors (1).

30014521 is an equidigital number, since it uses as much as digits as its factorization.

30014521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 30014521 is about 5478.5509945605. The cubic root of 30014521 is about 310.7733759790.

Adding to 30014521 its reverse (12541003), we get a palindrome (42555524).

The spelling of 30014521 in words is "thirty million, fourteen thousand, five hundred twenty-one".