108956513 has 2 divisors, whose sum is σ = 108956514. Its totient is φ = 108956512.

The previous prime is 108956501. The next prime is 108956531. The reversal of 108956513 is 315659801.

Together with next prime (108956531) 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., 106357969 + 2598544 = 10313^2 + 1612^2 .

It is an emirp because it is prime and its reverse (315659801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108956513 - 2¹⁰ = 108955489 is a prime.

It is not a weakly prime, because it can be changed into another prime (108956713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54478256 + 54478257.

It is an arithmetic number, because the mean of its divisors is an integer number (54478257).

Almost surely, 2^108956513 is an apocalyptic number.

It is an amenable number.

108956513 is a deficient number, since it is larger than the sum of its proper divisors (1).

108956513 is an equidigital number, since it uses as much as digits as its factorization.

108956513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 108956513 is about 10438.2236515606. The cubic root of 108956513 is about 477.6220833094.

The spelling of 108956513 in words is "one hundred eight million, nine hundred fifty-six thousand, five hundred thirteen".