30078941 has 2 divisors, whose sum is σ = 30078942. Its totient is φ = 30078940.

The previous prime is 30078929. The next prime is 30078943. The reversal of 30078941 is 14987003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21252100 + 8826841 = 4610^2 + 2971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30078941 is a prime.

Together with 30078943, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1862474 and since 30078941 and 1862474 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 30078898 and 30078907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30078943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15039470 + 15039471.

It is an arithmetic number, because the mean of its divisors is an integer number (15039471).

Almost surely, 2^30078941 is an apocalyptic number.

It is an amenable number.

30078941 is a deficient number, since it is larger than the sum of its proper divisors (1).

30078941 is an equidigital number, since it uses as much as digits as its factorization.

30078941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 30078941 is about 5484.4271350798. The cubic root of 30078941 is about 310.9955541594.

The spelling of 30078941 in words is "thirty million, seventy-eight thousand, nine hundred forty-one".