30801049 has 2 divisors, whose sum is σ = 30801050. Its totient is φ = 30801048.

The previous prime is 30801041. The next prime is 30801077. The reversal of 30801049 is 94010803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30603024 + 198025 = 5532^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 30801049 - 2³ = 30801041 is a prime.

It is not a weakly prime, because it can be changed into another prime (30801041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400524 + 15400525.

It is an arithmetic number, because the mean of its divisors is an integer number (15400525).

Almost surely, 2^30801049 is an apocalyptic number.

It is an amenable number.

30801049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30801049 is an equidigital number, since it uses as much as digits as its factorization.

30801049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30801049 is about 5549.8692777398. The cubic root of 30801049 is about 313.4646000726.

The spelling of 30801049 in words is "thirty million, eight hundred one thousand, forty-nine".