238474253 has 2 divisors, whose sum is σ = 238474254. Its totient is φ = 238474252.

The previous prime is 238474199. The next prime is 238474261. The reversal of 238474253 is 352474832.

238474253 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., 228221449 + 10252804 = 15107^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 238474253 - 2¹² = 238470157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238474273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119237126 + 119237127.

It is an arithmetic number, because the mean of its divisors is an integer number (119237127).

Almost surely, 2^238474253 is an apocalyptic number.

It is an amenable number.

238474253 is a deficient number, since it is larger than the sum of its proper divisors (1).

238474253 is an equidigital number, since it uses as much as digits as its factorization.

238474253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 38.

The square root of 238474253 is about 15442.6115990787. The cubic root of 238474253 is about 620.1267976878.

The spelling of 238474253 in words is "two hundred thirty-eight million, four hundred seventy-four thousand, two hundred fifty-three".