30148241 has 2 divisors, whose sum is σ = 30148242. Its totient is φ = 30148240.

The previous prime is 30148211. The next prime is 30148249. The reversal of 30148241 is 14284103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26306641 + 3841600 = 5129^2 + 1960^2 .

It is an emirp because it is prime and its reverse (14284103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30148241 - 2¹⁸ = 29886097 is a prime.

It is not a weakly prime, because it can be changed into another prime (30148249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15074120 + 15074121.

It is an arithmetic number, because the mean of its divisors is an integer number (15074121).

Almost surely, 2^30148241 is an apocalyptic number.

It is an amenable number.

30148241 is a deficient number, since it is larger than the sum of its proper divisors (1).

30148241 is an equidigital number, since it uses as much as digits as its factorization.

30148241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 30148241 is about 5490.7413889201. The cubic root of 30148241 is about 311.2342090772.

The spelling of 30148241 in words is "thirty million, one hundred forty-eight thousand, two hundred forty-one".