10172305 has 32 divisors (see below), whose sum is σ = 14732928. Its totient is φ = 6643200.

The previous prime is 10172221. The next prime is 10172321. The reversal of 10172305 is 50327101.

10172305 is a nontrivial binomial coefficient, being equal to C(4511, 2).

It is not a de Polignac number, because 10172305 - 2⁹ = 10171793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29142 + ... + 29488.

It is an arithmetic number, because the mean of its divisors is an integer number (460404).

Almost surely, 2^10172305 is an apocalyptic number.

10172305 is the 4510-th triangular number.

10172305 is the 1504-th centered nonagonal number.

It is an amenable number.

10172305 is a deficient number, since it is larger than the sum of its proper divisors (4560623).

10172305 is a wasteful number, since it uses less digits than its factorization.

10172305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 10172305 is about 3189.4051169458. The cubic root of 10172305 is about 216.6738288231.

Adding to 10172305 its reverse (50327101), we get a palindrome (60499406).

The spelling of 10172305 in words is "ten million, one hundred seventy-two thousand, three hundred five".