10172725 has 12 divisors (see below), whose sum is σ = 12908896. Its totient is φ = 7948080.

The previous prime is 10172717. The next prime is 10172731. The reversal of 10172725 is 52727101.

It is a happy number.

It is not a de Polignac number, because 10172725 - 2³ = 10172717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 10172725.

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 11 ways as a sum of consecutive naturals, for example, 3657 + ... + 5806.

Almost surely, 2^10172725 is an apocalyptic number.

It is an amenable number.

10172725 is a deficient number, since it is larger than the sum of its proper divisors (2736171).

10172725 is an equidigital number, since it uses as much as digits as its factorization.

10172725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516 (or 9511 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 10172725 is about 3189.4709592658. The cubic root of 10172725 is about 216.6768108334.

Adding to 10172725 its reverse (52727101), we get a palindrome (62899826).

The spelling of 10172725 in words is "ten million, one hundred seventy-two thousand, seven hundred twenty-five".