10689425 has 12 divisors (see below), whose sum is σ = 13355916. Its totient is φ = 8486400.

The previous prime is 10689421. The next prime is 10689431. The reversal of 10689425 is 52498601.

It can be written as a sum of positive squares in 6 ways, for example, as 2262016 + 8427409 = 1504^2 + 2903^2 .

It is not a de Polignac number, because 10689425 - 2² = 10689421 is a prime.

It is a super-2 number, since 2×10689425² = 228527613661250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10689421) 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 11 ways as a sum of consecutive naturals, for example, 1865 + ... + 4985.

It is an arithmetic number, because the mean of its divisors is an integer number (1112993).

Almost surely, 2^10689425 is an apocalyptic number.

It is an amenable number.

10689425 is a deficient number, since it is larger than the sum of its proper divisors (2666491).

10689425 is a wasteful number, since it uses less digits than its factorization.

10689425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 10689425 is about 3269.4686112578. The cubic root of 10689425 is about 220.2849269686.

The spelling of 10689425 in words is "ten million, six hundred eighty-nine thousand, four hundred twenty-five".