30305241 has 12 divisors (see below), whose sum is σ = 44600868. Its totient is φ = 19821984.

The previous prime is 30305201. The next prime is 30305243. The reversal of 30305241 is 14250303.

It can be written as a sum of positive squares in 2 ways, for example, as 20250000 + 10055241 = 4500^2 + 3171^2 .

It is not a de Polignac number, because 30305241 - 2¹¹ = 30303193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30305243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31290 + ... + 32243.

It is an arithmetic number, because the mean of its divisors is an integer number (3716739).

Almost surely, 2^30305241 is an apocalyptic number.

It is an amenable number.

30305241 is a deficient number, since it is larger than the sum of its proper divisors (14295627).

30305241 is a wasteful number, since it uses less digits than its factorization.

30305241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63592 (or 63589 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30305241 is about 5505.0196184937. The cubic root of 30305241 is about 311.7735351181.

Adding to 30305241 its reverse (14250303), we get a palindrome (44555544).

The spelling of 30305241 in words is "thirty million, three hundred five thousand, two hundred forty-one".