173530413 has 36 divisors (see below), whose sum is σ = 298391808. Its totient is φ = 96843600.

The previous prime is 173530397. The next prime is 173530429. The reversal of 173530413 is 314035371.

It is an interprime number because it is at equal distance from previous prime (173530397) and next prime (173530429).

It is not a de Polignac number, because 173530413 - 2⁴ = 173530397 is a prime.

It is a super-2 number, since 2×173530413² = 60225608471901138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173530433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14388 + ... + 23538.

Almost surely, 2^173530413 is an apocalyptic number.

It is an amenable number.

173530413 is a deficient number, since it is larger than the sum of its proper divisors (124861395).

173530413 is a wasteful number, since it uses less digits than its factorization.

173530413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214 (or 9204 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 173530413 is about 13173.0942834248. The cubic root of 173530413 is about 557.7743431800.

Adding to 173530413 its reverse (314035371), we get a palindrome (487565784).

The spelling of 173530413 in words is "one hundred seventy-three million, five hundred thirty thousand, four hundred thirteen".