238275473 has 2 divisors, whose sum is σ = 238275474. Its totient is φ = 238275472.

The previous prime is 238275461. The next prime is 238275481. The reversal of 238275473 is 374572832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142372624 + 95902849 = 11932^2 + 9793^2 .

It is a cyclic number.

It is not a de Polignac number, because 238275473 - 2¹⁸ = 238013329 is a prime.

It is a Sophie Germain 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 238275473.

It is not a weakly prime, because it can be changed into another prime (238275413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119137736 + 119137737.

It is an arithmetic number, because the mean of its divisors is an integer number (119137737).

Almost surely, 2^238275473 is an apocalyptic number.

It is an amenable number.

238275473 is a deficient number, since it is larger than the sum of its proper divisors (1).

238275473 is an equidigital number, since it uses as much as digits as its factorization.

238275473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 238275473 is about 15436.1741697870. The cubic root of 238275473 is about 619.9544477459.

The spelling of 238275473 in words is "two hundred thirty-eight million, two hundred seventy-five thousand, four hundred seventy-three".