10172005 has 8 divisors (see below), whose sum is σ = 12225312. Its totient is φ = 8125008.

The previous prime is 10171991. The next prime is 10172017. The reversal of 10172005 is 50027101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10172005 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10172005.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3414 + ... + 5656.

It is an arithmetic number, because the mean of its divisors is an integer number (1528164).

Almost surely, 2^10172005 is an apocalyptic number.

It is an amenable number.

10172005 is a deficient number, since it is larger than the sum of its proper divisors (2053307).

10172005 is an equidigital number, since it uses as much as digits as its factorization.

10172005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 10172005 is about 3189.3580858850. The cubic root of 10172005 is about 216.6716987654.

Adding to 10172005 its reverse (50027101), we get a palindrome (60199106).

The spelling of 10172005 in words is "ten million, one hundred seventy-two thousand, five".