30526121 has 2 divisors, whose sum is σ = 30526122. Its totient is φ = 30526120.

The previous prime is 30526117. The next prime is 30526127. The reversal of 30526121 is 12162503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 440896 = 5485^2 + 664^2 .

It is an emirp because it is prime and its reverse (12162503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30526121 - 2² = 30526117 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30526093 and 30526102.

It is not a weakly prime, because it can be changed into another prime (30526127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263060 + 15263061.

It is an arithmetic number, because the mean of its divisors is an integer number (15263061).

Almost surely, 2^30526121 is an apocalyptic number.

It is an amenable number.

30526121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30526121 is an equidigital number, since it uses as much as digits as its factorization.

30526121 is an odious number, because the sum of its binary digits is odd.

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

The square root of 30526121 is about 5525.0448866955. The cubic root of 30526121 is about 312.5291569595.

Adding to 30526121 its reverse (12162503), we get a palindrome (42688624).

The spelling of 30526121 in words is "thirty million, five hundred twenty-six thousand, one hundred twenty-one".