30448841 has 2 divisors, whose sum is σ = 30448842. Its totient is φ = 30448840.

The previous prime is 30448813. The next prime is 30448843. The reversal of 30448841 is 14884403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27081616 + 3367225 = 5204^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 30448841 - 2¹⁸ = 30186697 is a prime.

Together with 30448843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30448798 and 30448807.

It is not a weakly prime, because it can be changed into another prime (30448843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15224420 + 15224421.

It is an arithmetic number, because the mean of its divisors is an integer number (15224421).

Almost surely, 2^30448841 is an apocalyptic number.

It is an amenable number.

30448841 is a deficient number, since it is larger than the sum of its proper divisors (1).

30448841 is an equidigital number, since it uses as much as digits as its factorization.

30448841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 30448841 is about 5518.0468464847. The cubic root of 30448841 is about 312.2652009062.

The spelling of 30448841 in words is "thirty million, four hundred forty-eight thousand, eight hundred forty-one".