238199253 has 4 divisors (see below), whose sum is σ = 317599008. Its totient is φ = 158799500.

The previous prime is 238199239. The next prime is 238199261. The reversal of 238199253 is 352991832.

238199253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238199253 - 2⁴ = 238199237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238199263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39699873 + ... + 39699878.

It is an arithmetic number, because the mean of its divisors is an integer number (79399752).

Almost surely, 2^238199253 is an apocalyptic number.

It is an amenable number.

238199253 is a deficient number, since it is larger than the sum of its proper divisors (79399755).

238199253 is an equidigital number, since it uses as much as digits as its factorization.

238199253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79399754.

The product of its digits is 116640, while the sum is 42.

The square root of 238199253 is about 15433.7050963144. The cubic root of 238199253 is about 619.8883366368. Note that the first 3 decimals are identical.

The spelling of 238199253 in words is "two hundred thirty-eight million, one hundred ninety-nine thousand, two hundred fifty-three".