10689925 has 6 divisors (see below), whose sum is σ = 13255538. Its totient is φ = 8551920.

The previous prime is 10689911. The next prime is 10689961. The reversal of 10689925 is 52998601.

It can be written as a sum of positive squares in 3 ways, for example, as 1258884 + 9431041 = 1122^2 + 3071^2 .

It is not a de Polignac number, because 10689925 - 2¹¹ = 10687877 is a prime.

It is a super-2 number, since 2×10689925² = 228548993011250, 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 5 ways as a sum of consecutive naturals, for example, 213774 + ... + 213823.

Almost surely, 2^10689925 is an apocalyptic number.

It is an amenable number.

10689925 is a deficient number, since it is larger than the sum of its proper divisors (2565613).

10689925 is an equidigital number, since it uses as much as digits as its factorization.

10689925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427607 (or 427602 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 10689925 is about 3269.5450753889. The cubic root of 10689925 is about 220.2883615389.

The spelling of 10689925 in words is "ten million, six hundred eighty-nine thousand, nine hundred twenty-five".