30800269 has 2 divisors, whose sum is σ = 30800270. Its totient is φ = 30800268.

The previous prime is 30800251. The next prime is 30800279. The reversal of 30800269 is 96200803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25371369 + 5428900 = 5037^2 + 2330^2 .

It is a cyclic number.

It is not a de Polignac number, because 30800269 - 2⁹ = 30799757 is a prime.

It is a super-2 number, since 2×30800269² = 1897313140944722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30800219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400134 + 15400135.

It is an arithmetic number, because the mean of its divisors is an integer number (15400135).

Almost surely, 2^30800269 is an apocalyptic number.

It is an amenable number.

30800269 is a deficient number, since it is larger than the sum of its proper divisors (1).

30800269 is an equidigital number, since it uses as much as digits as its factorization.

30800269 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 28.

The square root of 30800269 is about 5549.7990053695. The cubic root of 30800269 is about 313.4619540106.

The spelling of 30800269 in words is "thirty million, eight hundred thousand, two hundred sixty-nine".