108531361 has 2 divisors, whose sum is σ = 108531362. Its totient is φ = 108531360.

The previous prime is 108531343. The next prime is 108531433. The reversal of 108531361 is 163135801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97140736 + 11390625 = 9856^2 + 3375^2 .

It is a cyclic number.

It is not a de Polignac number, because 108531361 - 2⁵ = 108531329 is a prime.

It is not a weakly prime, because it can be changed into another prime (108531301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54265680 + 54265681.

It is an arithmetic number, because the mean of its divisors is an integer number (54265681).

Almost surely, 2^108531361 is an apocalyptic number.

It is an amenable number.

108531361 is a deficient number, since it is larger than the sum of its proper divisors (1).

108531361 is an equidigital number, since it uses as much as digits as its factorization.

108531361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 108531361 is about 10417.8385954093. The cubic root of 108531361 is about 477.0000410204. Note that the first 4 decimals are identical.

Subtracting from 108531361 its sum of digits (28), we obtain a cube (108531333 = 477³).

The spelling of 108531361 in words is "one hundred eight million, five hundred thirty-one thousand, three hundred sixty-one".