173287413 has 18 divisors (see below), whose sum is σ = 269779874. Its totient is φ = 106550784.

The previous prime is 173287381. The next prime is 173287423. The reversal of 173287413 is 314782371.

It can be written as a sum of positive squares in 3 ways, for example, as 154449 + 173132964 = 393^2 + 13158^2 .

It is not a de Polignac number, because 173287413 - 2⁵ = 173287381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173287423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 141781 + ... + 142997.

Almost surely, 2^173287413 is an apocalyptic number.

173287413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

173287413 is a deficient number, since it is larger than the sum of its proper divisors (96492461).

173287413 is an equidigital number, since it uses as much as digits as its factorization.

173287413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 1233 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 173287413 is about 13163.8677067190. The cubic root of 173287413 is about 557.5138653405.

The spelling of 173287413 in words is "one hundred seventy-three million, two hundred eighty-seven thousand, four hundred thirteen".