109400273 has 2 divisors, whose sum is σ = 109400274. Its totient is φ = 109400272.

The previous prime is 109400237. The next prime is 109400297. The reversal of 109400273 is 372004901.

Together with previous prime (109400237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66064384 + 43335889 = 8128^2 + 6583^2 .

It is a cyclic number.

It is not a de Polignac number, because 109400273 - 2¹⁸ = 109138129 is a prime.

It is a super-3 number, since 3×109400273³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (109402273) 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, 54700136 + 54700137.

It is an arithmetic number, because the mean of its divisors is an integer number (54700137).

Almost surely, 2^109400273 is an apocalyptic number.

It is an amenable number.

109400273 is a deficient number, since it is larger than the sum of its proper divisors (1).

109400273 is an equidigital number, since it uses as much as digits as its factorization.

109400273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 109400273 is about 10459.4585423912. The cubic root of 109400273 is about 478.2696275305.

The spelling of 109400273 in words is "one hundred nine million, four hundred thousand, two hundred seventy-three".