109402273 has 2 divisors, whose sum is σ = 109402274. Its totient is φ = 109402272.

The previous prime is 109402261. The next prime is 109402289. The reversal of 109402273 is 372204901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90497169 + 18905104 = 9513^2 + 4348^2 .

It is an emirp because it is prime and its reverse (372204901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109402273 is a prime.

It is not a weakly prime, because it can be changed into another prime (109402873) 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, 54701136 + 54701137.

It is an arithmetic number, because the mean of its divisors is an integer number (54701137).

Almost surely, 2^109402273 is an apocalyptic number.

It is an amenable number.

109402273 is a deficient number, since it is larger than the sum of its proper divisors (1).

109402273 is an equidigital number, since it uses as much as digits as its factorization.

109402273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 109402273 is about 10459.5541491978. The cubic root of 109402273 is about 478.2725420065.

The spelling of 109402273 in words is "one hundred nine million, four hundred two thousand, two hundred seventy-three".