30503849 has 2 divisors, whose sum is σ = 30503850. Its totient is φ = 30503848.

The previous prime is 30503839. The next prime is 30503857. The reversal of 30503849 is 94830503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23348224 + 7155625 = 4832^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 30503849 - 2⁴ = 30503833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30503839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251924 + 15251925.

It is an arithmetic number, because the mean of its divisors is an integer number (15251925).

Almost surely, 2^30503849 is an apocalyptic number.

It is an amenable number.

30503849 is a deficient number, since it is larger than the sum of its proper divisors (1).

30503849 is an equidigital number, since it uses as much as digits as its factorization.

30503849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30503849 is about 5523.0289696868. The cubic root of 30503849 is about 312.4531308909.

The spelling of 30503849 in words is "thirty million, five hundred three thousand, eight hundred forty-nine".