10535689 has 4 divisors (see below), whose sum is σ = 10714320. Its totient is φ = 10357060.

The previous prime is 10535687. The next prime is 10535717. The reversal of 10535689 is 98653501.

10535689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98653501 = 31 ⋅3182371.

It is a cyclic number.

It is not a de Polignac number, because 10535689 - 2¹ = 10535687 is a prime.

It is a super-2 number, since 2×10535689² = 222001485409442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10535687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89227 + ... + 89344.

It is an arithmetic number, because the mean of its divisors is an integer number (2678580).

Almost surely, 2^10535689 is an apocalyptic number.

It is an amenable number.

10535689 is a deficient number, since it is larger than the sum of its proper divisors (178631).

10535689 is an equidigital number, since it uses as much as digits as its factorization.

10535689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178630.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 10535689 is about 3245.8726099464. The cubic root of 10535689 is about 219.2237727183.

The spelling of 10535689 in words is "ten million, five hundred thirty-five thousand, six hundred eighty-nine".