238125479 has 2 divisors, whose sum is σ = 238125480. Its totient is φ = 238125478.

The previous prime is 238125389. The next prime is 238125491. The reversal of 238125479 is 974521832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238125479 - 2²⁴ = 221348263 is a prime.

It is a Sophie Germain 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 (238125179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119062739 + 119062740.

It is an arithmetic number, because the mean of its divisors is an integer number (119062740).

Almost surely, 2^238125479 is an apocalyptic number.

238125479 is a deficient number, since it is larger than the sum of its proper divisors (1).

238125479 is an equidigital number, since it uses as much as digits as its factorization.

238125479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 238125479 is about 15431.3148824071. The cubic root of 238125479 is about 619.8243336874.

The spelling of 238125479 in words is "two hundred thirty-eight million, one hundred twenty-five thousand, four hundred seventy-nine".