30045941 has 2 divisors, whose sum is σ = 30045942. Its totient is φ = 30045940.

The previous prime is 30045931. The next prime is 30046007. The reversal of 30045941 is 14954003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28665316 + 1380625 = 5354^2 + 1175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30045941 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30045941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30045931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022970 + 15022971.

It is an arithmetic number, because the mean of its divisors is an integer number (15022971).

Almost surely, 2^30045941 is an apocalyptic number.

It is an amenable number.

30045941 is a deficient number, since it is larger than the sum of its proper divisors (1).

30045941 is an equidigital number, since it uses as much as digits as its factorization.

30045941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 30045941 is about 5481.4177910464. The cubic root of 30045941 is about 310.8817801101.

Adding to 30045941 its reverse (14954003), we get a palindrome (44999944).

The spelling of 30045941 in words is "thirty million, forty-five thousand, nine hundred forty-one".