108238513 has 2 divisors, whose sum is σ = 108238514. Its totient is φ = 108238512.

The previous prime is 108238499. The next prime is 108238531. The reversal of 108238513 is 315832801.

Together with next prime (108238531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90193009 + 18045504 = 9497^2 + 4248^2 .

It is a cyclic number.

It is not a de Polignac number, because 108238513 - 2⁹ = 108238001 is a prime.

It is not a weakly prime, because it can be changed into another prime (108238553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54119256 + 54119257.

It is an arithmetic number, because the mean of its divisors is an integer number (54119257).

Almost surely, 2^108238513 is an apocalyptic number.

It is an amenable number.

108238513 is a deficient number, since it is larger than the sum of its proper divisors (1).

108238513 is an equidigital number, since it uses as much as digits as its factorization.

108238513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 108238513 is about 10403.7739787060. The cubic root of 108238513 is about 476.5706280072.

The spelling of 108238513 in words is "one hundred eight million, two hundred thirty-eight thousand, five hundred thirteen".