10172516 has 6 divisors (see below), whose sum is σ = 17801910. Its totient is φ = 5086256.

The previous prime is 10172507. The next prime is 10172537. The reversal of 10172516 is 61527101.

It can be written as a sum of positive squares in only one way, i.e., 5953600 + 4218916 = 2440^2 + 2054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10172491 and 10172500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271561 + ... + 1271568.

It is an arithmetic number, because the mean of its divisors is an integer number (2966985).

Almost surely, 2^10172516 is an apocalyptic number.

It is an amenable number.

10172516 is a deficient number, since it is larger than the sum of its proper divisors (7629394).

10172516 is a wasteful number, since it uses less digits than its factorization.

10172516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543133 (or 2543131 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 10172516 is about 3189.4381950431. The cubic root of 10172516 is about 216.6753269385.

Adding to 10172516 its reverse (61527101), we get a palindrome (71699617).

The spelling of 10172516 in words is "ten million, one hundred seventy-two thousand, five hundred sixteen".