238505269 has 2 divisors, whose sum is σ = 238505270. Its totient is φ = 238505268.

The previous prime is 238505263. The next prime is 238505297. The reversal of 238505269 is 962505832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214622500 + 23882769 = 14650^2 + 4887^2 .

It is a cyclic number.

It is not a de Polignac number, because 238505269 - 2³ = 238505261 is a prime.

It is a super-2 number, since 2×238505269² = 113769526681524722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238505261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119252634 + 119252635.

It is an arithmetic number, because the mean of its divisors is an integer number (119252635).

Almost surely, 2^238505269 is an apocalyptic number.

It is an amenable number.

238505269 is a deficient number, since it is larger than the sum of its proper divisors (1).

238505269 is an equidigital number, since it uses as much as digits as its factorization.

238505269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 238505269 is about 15443.6158007120. The cubic root of 238505269 is about 620.1536811196.

The spelling of 238505269 in words is "two hundred thirty-eight million, five hundred five thousand, two hundred sixty-nine".