30803263 has 2 divisors, whose sum is σ = 30803264. Its totient is φ = 30803262.

The previous prime is 30803239. The next prime is 30803273. The reversal of 30803263 is 36230803.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30803263 is a prime.

It is a super-2 number, since 2×30803263² = 1897682022894338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30803273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15401631 + 15401632.

It is an arithmetic number, because the mean of its divisors is an integer number (15401632).

Almost surely, 2^30803263 is an apocalyptic number.

30803263 is a deficient number, since it is larger than the sum of its proper divisors (1).

30803263 is an equidigital number, since it uses as much as digits as its factorization.

30803263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 30803263 is about 5550.0687383131. The cubic root of 30803263 is about 313.4721105743.

The spelling of 30803263 in words is "thirty million, eight hundred three thousand, two hundred sixty-three".