30014021 has 2 divisors, whose sum is σ = 30014022. Its totient is φ = 30014020.

The previous prime is 30014003. The next prime is 30014029. The reversal of 30014021 is 12041003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25391521 + 4622500 = 5039^2 + 2150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30014021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30013993 and 30014011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30014029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15007010 + 15007011.

It is an arithmetic number, because the mean of its divisors is an integer number (15007011).

Almost surely, 2^30014021 is an apocalyptic number.

It is an amenable number.

30014021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30014021 is an equidigital number, since it uses as much as digits as its factorization.

30014021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30014021 is about 5478.5053618665. The cubic root of 30014021 is about 310.7716502860.

Adding to 30014021 its reverse (12041003), we get a palindrome (42055024).

The spelling of 30014021 in words is "thirty million, fourteen thousand, twenty-one".