30643041 has 16 divisors (see below), whose sum is σ = 48000960. Its totient is φ = 17142720.

The previous prime is 30643037. The next prime is 30643057. The reversal of 30643041 is 14034603.

It is not a de Polignac number, because 30643041 - 2² = 30643037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30642999 and 30643017.

It is not an unprimeable number, because it can be changed into a prime (30643021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35286 + ... + 36143.

It is an arithmetic number, because the mean of its divisors is an integer number (3000060).

Almost surely, 2^30643041 is an apocalyptic number.

It is an amenable number.

30643041 is a deficient number, since it is larger than the sum of its proper divisors (17357919).

30643041 is a wasteful number, since it uses less digits than its factorization.

30643041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71456.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30643041 is about 5535.6156839145. The cubic root of 30643041 is about 312.9276610855.

Adding to 30643041 its reverse (14034603), we get a palindrome (44677644).

It can be divided in two parts, 3064 and 3041, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 30643041 in words is "thirty million, six hundred forty-three thousand, forty-one".