109863361 has 2 divisors, whose sum is σ = 109863362. Its totient is φ = 109863360.

The previous prime is 109863353. The next prime is 109863371. The reversal of 109863361 is 163368901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93412225 + 16451136 = 9665^2 + 4056^2 .

It is a cyclic number.

It is not a de Polignac number, because 109863361 - 2³ = 109863353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109863361.

It is not a weakly prime, because it can be changed into another prime (109863311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54931680 + 54931681.

It is an arithmetic number, because the mean of its divisors is an integer number (54931681).

Almost surely, 2^109863361 is an apocalyptic number.

It is an amenable number.

109863361 is a deficient number, since it is larger than the sum of its proper divisors (1).

109863361 is an equidigital number, since it uses as much as digits as its factorization.

109863361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 109863361 is about 10481.5724488266. The cubic root of 109863361 is about 478.9435111346.

It can be divided in two parts, 109863 and 361, that added together give a square (110224 = 332²).

The spelling of 109863361 in words is "one hundred nine million, eight hundred sixty-three thousand, three hundred sixty-one".