10216625 has 24 divisors (see below), whose sum is σ = 13379496. Its totient is φ = 7783200.

The previous prime is 10216621. The next prime is 10216637. The reversal of 10216625 is 52661201.

It can be written as a sum of positive squares in 4 ways, for example, as 2209 + 10214416 = 47^2 + 3196^2 .

It is not a de Polignac number, because 10216625 - 2² = 10216621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10216625.

It is not an unprimeable number, because it can be changed into a prime (10216621) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 217352 + ... + 217398.

It is an arithmetic number, because the mean of its divisors is an integer number (557479).

Almost surely, 2^10216625 is an apocalyptic number.

It is an amenable number.

10216625 is a deficient number, since it is larger than the sum of its proper divisors (3162871).

10216625 is an frugal number, since it uses more digits than its factorization.

10216625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10216625 is about 3196.3455695528. The cubic root of 10216625 is about 216.9880503376.

Adding to 10216625 its reverse (52661201), we get a palindrome (62877826).

The spelling of 10216625 in words is "ten million, two hundred sixteen thousand, six hundred twenty-five".