108956531 has 2 divisors, whose sum is σ = 108956532. Its totient is φ = 108956530.

The previous prime is 108956513. The next prime is 108956581. The reversal of 108956531 is 135659801.

Together with previous prime (108956513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108956531 - 2⁶ = 108956467 is a prime.

It is a super-2 number, since 2×108956531² = 23743051295107922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_6246848 and since 108956531 and 6246848 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (108956501) 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, 54478265 + 54478266.

It is an arithmetic number, because the mean of its divisors is an integer number (54478266).

Almost surely, 2^108956531 is an apocalyptic number.

108956531 is a deficient number, since it is larger than the sum of its proper divisors (1).

108956531 is an equidigital number, since it uses as much as digits as its factorization.

108956531 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 108956531 is about 10438.2245137763. The cubic root of 108956531 is about 477.6221096111.

The spelling of 108956531 in words is "one hundred eight million, nine hundred fifty-six thousand, five hundred thirty-one".