30861041 has 2 divisors, whose sum is σ = 30861042. Its totient is φ = 30861040.

The previous prime is 30861037. The next prime is 30861053. The reversal of 30861041 is 14016803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29430625 + 1430416 = 5425^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 30861041 - 2² = 30861037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30860998 and 30861016.

It is not a weakly prime, because it can be changed into another prime (30861011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15430520 + 15430521.

It is an arithmetic number, because the mean of its divisors is an integer number (15430521).

Almost surely, 2^30861041 is an apocalyptic number.

It is an amenable number.

30861041 is a deficient number, since it is larger than the sum of its proper divisors (1).

30861041 is an equidigital number, since it uses as much as digits as its factorization.

30861041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 30861041 is about 5555.2714605139. The cubic root of 30861041 is about 313.6679824557.

Adding to 30861041 its reverse (14016803), we get a palindrome (44877844).

The spelling of 30861041 in words is "thirty million, eight hundred sixty-one thousand, forty-one".