173900113 has 2 divisors, whose sum is σ = 173900114. Its totient is φ = 173900112.

The previous prime is 173900101. The next prime is 173900117. The reversal of 173900113 is 311009371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173001409 + 898704 = 13153^2 + 948^2 .

It is an emirp because it is prime and its reverse (311009371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173900113 - 2⁹ = 173899601 is a prime.

It is not a weakly prime, because it can be changed into another prime (173900117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86950056 + 86950057.

It is an arithmetic number, because the mean of its divisors is an integer number (86950057).

Almost surely, 2^173900113 is an apocalyptic number.

It is an amenable number.

173900113 is a deficient number, since it is larger than the sum of its proper divisors (1).

173900113 is an equidigital number, since it uses as much as digits as its factorization.

173900113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 173900113 is about 13187.1192077724. The cubic root of 173900113 is about 558.1701679501.

Adding to 173900113 its reverse (311009371), we get a palindrome (484909484).

The spelling of 173900113 in words is "one hundred seventy-three million, nine hundred thousand, one hundred thirteen".