10638925 has 18 divisors (see below), whose sum is σ = 14504714. Its totient is φ = 7735200.

The previous prime is 10638913. The next prime is 10638959. The reversal of 10638925 is 52983601.

10638925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2832489 + 7806436 = 1683^2 + 2794^2 .

It is not a de Polignac number, because 10638925 - 2⁵ = 10638893 is a prime.

It is a super-2 number, since 2×10638925² = 226373450311250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 in 17 ways as a sum of consecutive naturals, for example, 1267 + ... + 4783.

Almost surely, 2^10638925 is an apocalyptic number.

It is an amenable number.

10638925 is a deficient number, since it is larger than the sum of its proper divisors (3865789).

10638925 is a wasteful number, since it uses less digits than its factorization.

10638925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 10638925 is about 3261.7365007002. The cubic root of 10638925 is about 219.9374822359.

The spelling of 10638925 in words is "ten million, six hundred thirty-eight thousand, nine hundred twenty-five".