238083539 has 2 divisors, whose sum is σ = 238083540. Its totient is φ = 238083538.

The previous prime is 238083463. The next prime is 238083541. The reversal of 238083539 is 935380832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238083539 is a prime.

Together with 238083541, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 238083496 and 238083505.

It is not a weakly prime, because it can be changed into another prime (238083569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119041769 + 119041770.

It is an arithmetic number, because the mean of its divisors is an integer number (119041770).

Almost surely, 2^238083539 is an apocalyptic number.

238083539 is a deficient number, since it is larger than the sum of its proper divisors (1).

238083539 is an equidigital number, since it uses as much as digits as its factorization.

238083539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 238083539 is about 15429.9558975390. The cubic root of 238083539 is about 619.7879425671.

The spelling of 238083539 in words is "two hundred thirty-eight million, eighty-three thousand, five hundred thirty-nine".