30215201 has 2 divisors, whose sum is σ = 30215202. Its totient is φ = 30215200.

The previous prime is 30215179. The next prime is 30215221. The reversal of 30215201 is 10251203.

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., 28462225 + 1752976 = 5335^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 30215201 - 2¹⁸ = 29953057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30215221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15107600 + 15107601.

It is an arithmetic number, because the mean of its divisors is an integer number (15107601).

Almost surely, 2^30215201 is an apocalyptic number.

It is an amenable number.

30215201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30215201 is an equidigital number, since it uses as much as digits as its factorization.

30215201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 30215201 is about 5496.8355442018. The cubic root of 30215201 is about 311.4644583616.

Adding to 30215201 its reverse (10251203), we get a palindrome (40466404).

The spelling of 30215201 in words is "thirty million, two hundred fifteen thousand, two hundred one".