238163357 has 2 divisors, whose sum is σ = 238163358. Its totient is φ = 238163356.

The previous prime is 238163333. The next prime is 238163363. The reversal of 238163357 is 753361832.

238163357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224130841 + 14032516 = 14971^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 238163357 - 2¹² = 238159261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238163357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238163327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119081678 + 119081679.

It is an arithmetic number, because the mean of its divisors is an integer number (119081679).

Almost surely, 2^238163357 is an apocalyptic number.

It is an amenable number.

238163357 is a deficient number, since it is larger than the sum of its proper divisors (1).

238163357 is an equidigital number, since it uses as much as digits as its factorization.

238163357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 238163357 is about 15432.5421431467. The cubic root of 238163357 is about 619.8571965594.

The spelling of 238163357 in words is "two hundred thirty-eight million, one hundred sixty-three thousand, three hundred fifty-seven".