10781625 has 16 divisors (see below), whose sum is σ = 17941248. Its totient is φ = 5750000.

The previous prime is 10781623. The next prime is 10781651. The reversal of 10781625 is 52618701.

It is not a de Polignac number, because 10781625 - 2¹ = 10781623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10781592 and 10781601.

It is not an unprimeable number, because it can be changed into a prime (10781623) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 14001 + ... + 14750.

It is an arithmetic number, because the mean of its divisors is an integer number (1121328).

Almost surely, 2^10781625 is an apocalyptic number.

10781625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10781625 is a deficient number, since it is larger than the sum of its proper divisors (7159623).

10781625 is an equidigital number, since it uses as much as digits as its factorization.

10781625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28769 (or 28759 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 10781625 is about 3283.5384876684. The cubic root of 10781625 is about 220.9164593510.

The spelling of 10781625 in words is "ten million, seven hundred eighty-one thousand, six hundred twenty-five".