30652121 has 2 divisors, whose sum is σ = 30652122. Its totient is φ = 30652120.

The previous prime is 30652117. The next prime is 30652157. The reversal of 30652121 is 12125603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17547721 + 13104400 = 4189^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 30652121 - 2² = 30652117 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30652093 and 30652102.

It is not a weakly prime, because it can be changed into another prime (30651121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15326060 + 15326061.

It is an arithmetic number, because the mean of its divisors is an integer number (15326061).

Almost surely, 2^30652121 is an apocalyptic number.

It is an amenable number.

30652121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30652121 is an equidigital number, since it uses as much as digits as its factorization.

30652121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 30652121 is about 5536.4357668088. The cubic root of 30652121 is about 312.9585664447.

Adding to 30652121 its reverse (12125603), we get a palindrome (42777724).

The spelling of 30652121 in words is "thirty million, six hundred fifty-two thousand, one hundred twenty-one".