30140041 has 2 divisors, whose sum is σ = 30140042. Its totient is φ = 30140040.

The previous prime is 30139999. The next prime is 30140057. The reversal of 30140041 is 14004103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19713600 + 10426441 = 4440^2 + 3229^2 .

It is an emirp because it is prime and its reverse (14004103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30140041 is a prime.

It is not a weakly prime, because it can be changed into another prime (30140141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070020 + 15070021.

It is an arithmetic number, because the mean of its divisors is an integer number (15070021).

Almost surely, 2^30140041 is an apocalyptic number.

It is an amenable number.

30140041 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140041 is an equidigital number, since it uses as much as digits as its factorization.

30140041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30140041 is about 5489.9946265912. The cubic root of 30140041 is about 311.2059890568.

Adding to 30140041 its reverse (14004103), we get a palindrome (44144144).

The spelling of 30140041 in words is "thirty million, one hundred forty thousand, forty-one".