30421201 has 2 divisors, whose sum is σ = 30421202. Its totient is φ = 30421200.

The previous prime is 30421169. The next prime is 30421207. The reversal of 30421201 is 10212403.

30421201 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19793601 + 10627600 = 4449^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 30421201 - 2⁵ = 30421169 is a prime.

It is not a weakly prime, because it can be changed into another prime (30421207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210600 + 15210601.

It is an arithmetic number, because the mean of its divisors is an integer number (15210601).

Almost surely, 2^30421201 is an apocalyptic number.

It is an amenable number.

30421201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421201 is an equidigital number, since it uses as much as digits as its factorization.

30421201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30421201 is about 5515.5417684938. The cubic root of 30421201 is about 312.1706858355.

Adding to 30421201 its reverse (10212403), we get a palindrome (40633604).

The spelling of 30421201 in words is "thirty million, four hundred twenty-one thousand, two hundred one".