109538603 has 2 divisors, whose sum is σ = 109538604. Its totient is φ = 109538602.

The previous prime is 109538579. The next prime is 109538677. The reversal of 109538603 is 306835901.

It is a weak prime.

It is an emirp because it is prime and its reverse (306835901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109538603 - 2¹² = 109534507 is a prime.

It is equal to p_6278345 and since 109538603 and 6278345 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 (109534603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54769301 + 54769302.

It is an arithmetic number, because the mean of its divisors is an integer number (54769302).

Almost surely, 2^109538603 is an apocalyptic number.

109538603 is a deficient number, since it is larger than the sum of its proper divisors (1).

109538603 is an equidigital number, since it uses as much as digits as its factorization.

109538603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 109538603 is about 10466.0691283786. The cubic root of 109538603 is about 478.4711235921.

The spelling of 109538603 in words is "one hundred nine million, five hundred thirty-eight thousand, six hundred three".