10405625 has 10 divisors (see below), whose sum is σ = 13003650. Its totient is φ = 8324000.

The previous prime is 10405607. The next prime is 10405631. The reversal of 10405625 is 52650401.

It can be written as a sum of positive squares in 5 ways, for example, as 2699449 + 7706176 = 1643^2 + 2776^2 .

It is not a de Polignac number, because 10405625 - 2¹² = 10401529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10405625.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7700 + ... + 8949.

It is an arithmetic number, because the mean of its divisors is an integer number (1300365).

Almost surely, 2^10405625 is an apocalyptic number.

It is an amenable number.

10405625 is a deficient number, since it is larger than the sum of its proper divisors (2598025).

10405625 is an frugal number, since it uses more digits than its factorization.

10405625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669 (or 16654 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10405625 is about 3225.7751006541. The cubic root of 10405625 is about 218.3179226282.

The spelling of 10405625 in words is "ten million, four hundred five thousand, six hundred twenty-five".