173496109 has 2 divisors, whose sum is σ = 173496110. Its totient is φ = 173496108.

The previous prime is 173496091. The next prime is 173496121. The reversal of 173496109 is 901694371.

Together with previous prime (173496091) 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., 107122500 + 66373609 = 10350^2 + 8147^2 .

It is a cyclic number.

It is not a de Polignac number, because 173496109 - 2²¹ = 171398957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173496149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86748054 + 86748055.

It is an arithmetic number, because the mean of its divisors is an integer number (86748055).

Almost surely, 2^173496109 is an apocalyptic number.

It is an amenable number.

173496109 is a deficient number, since it is larger than the sum of its proper divisors (1).

173496109 is an equidigital number, since it uses as much as digits as its factorization.

173496109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 173496109 is about 13171.7921711512. The cubic root of 173496109 is about 557.7375866029.

The spelling of 173496109 in words is "one hundred seventy-three million, four hundred ninety-six thousand, one hundred nine".