30269 has 2 divisors, whose sum is σ = 30270. Its totient is φ = 30268.
The previous prime is 30259. The next prime is 30271. The reversal of 30269 is 96203.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28900 + 1369 = 170^2 + 37^2 .
It is a cyclic number.
It is not a de Polignac number, because 30269 - 24 = 30253 is a prime.
It is a super-2 number, since 2×302692 = 1832424722, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 30271, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30269.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30259) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15134 + 15135.
It is an arithmetic number, because the mean of its divisors is an integer number (15135).
230269 is an apocalyptic number.
It is an amenable number.
30269 is a deficient number, since it is larger than the sum of its proper divisors (1).
30269 is an equidigital number, since it uses as much as digits as its factorization.
30269 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 30269 is about 173.9798838947. The cubic root of 30269 is about 31.1649205780.
The spelling of 30269 in words is "thirty thousand, two hundred sixty-nine".
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