10545689 has 16 divisors (see below), whose sum is σ = 13249536. Its totient is φ = 8154000.

The previous prime is 10545659. The next prime is 10545721. The reversal of 10545689 is 98654501.

It is not a de Polignac number, because 10545689 - 2²⁰ = 9497113 is a prime.

It is a super-2 number, since 2×10545689² = 222423112969442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10545659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11174 + ... + 12080.

It is an arithmetic number, because the mean of its divisors is an integer number (828096).

Almost surely, 2^10545689 is an apocalyptic number.

It is an amenable number.

10545689 is a deficient number, since it is larger than the sum of its proper divisors (2703847).

10545689 is a wasteful number, since it uses less digits than its factorization.

10545689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 10545689 is about 3247.4126624130. The cubic root of 10545689 is about 219.2931098859.

The spelling of 10545689 in words is "ten million, five hundred forty-five thousand, six hundred eighty-nine".