30879241 has 2 divisors, whose sum is σ = 30879242. Its totient is φ = 30879240.

The previous prime is 30879239. The next prime is 30879253. The reversal of 30879241 is 14297803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 585225 = 5504^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 30879241 - 2¹ = 30879239 is a prime.

Together with 30879239, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30879197 and 30879206.

It is not a weakly prime, because it can be changed into another prime (30879221) 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, 15439620 + 15439621.

It is an arithmetic number, because the mean of its divisors is an integer number (15439621).

Almost surely, 2^30879241 is an apocalyptic number.

It is an amenable number.

30879241 is a deficient number, since it is larger than the sum of its proper divisors (1).

30879241 is an equidigital number, since it uses as much as digits as its factorization.

30879241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 30879241 is about 5556.9093028409. The cubic root of 30879241 is about 313.7296312232.

The spelling of 30879241 in words is "thirty million, eight hundred seventy-nine thousand, two hundred forty-one".