30504043 has 2 divisors, whose sum is σ = 30504044. Its totient is φ = 30504042.

The previous prime is 30504017. The next prime is 30504079. The reversal of 30504043 is 34040503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30504043 - 2¹³ = 30495851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30504043.

It is not a weakly prime, because it can be changed into another prime (30504013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15252021 + 15252022.

It is an arithmetic number, because the mean of its divisors is an integer number (15252022).

Almost surely, 2^30504043 is an apocalyptic number.

30504043 is a deficient number, since it is larger than the sum of its proper divisors (1).

30504043 is an equidigital number, since it uses as much as digits as its factorization.

30504043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30504043 is about 5523.0465324855. The cubic root of 30504043 is about 312.4537932748.

Adding to 30504043 its reverse (34040503), we get a palindrome (64544546).

The spelling of 30504043 in words is "thirty million, five hundred four thousand, forty-three".