108932557 has 2 divisors, whose sum is σ = 108932558. Its totient is φ = 108932556.

The previous prime is 108932539. The next prime is 108932561. The reversal of 108932557 is 755239801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108555561 + 376996 = 10419^2 + 614^2 .

It is an emirp because it is prime and its reverse (755239801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108932557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108932507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54466278 + 54466279.

It is an arithmetic number, because the mean of its divisors is an integer number (54466279).

Almost surely, 2^108932557 is an apocalyptic number.

It is an amenable number.

108932557 is a deficient number, since it is larger than the sum of its proper divisors (1).

108932557 is an equidigital number, since it uses as much as digits as its factorization.

108932557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 108932557 is about 10437.0760752234. The cubic root of 108932557 is about 477.5870762135.

The spelling of 108932557 in words is "one hundred eight million, nine hundred thirty-two thousand, five hundred fifty-seven".