30500849 has 2 divisors, whose sum is σ = 30500850. Its totient is φ = 30500848.

The previous prime is 30500831. The next prime is 30500851. The reversal of 30500849 is 94800503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18215824 + 12285025 = 4268^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 30500849 - 2⁸ = 30500593 is a prime.

Together with 30500851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30500749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250424 + 15250425.

It is an arithmetic number, because the mean of its divisors is an integer number (15250425).

Almost surely, 2^30500849 is an apocalyptic number.

It is an amenable number.

30500849 is a deficient number, since it is larger than the sum of its proper divisors (1).

30500849 is an equidigital number, since it uses as much as digits as its factorization.

30500849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30500849 is about 5522.7573729071. The cubic root of 30500849 is about 312.4428874827.

The spelling of 30500849 in words is "thirty million, five hundred thousand, eight hundred forty-nine".