10689001 has 4 divisors (see below), whose sum is σ = 11251600. Its totient is φ = 10126404.

The previous prime is 10688999. The next prime is 10689011. The reversal of 10689001 is 10098601.

10689001 is digitally balanced in base 2 and base 3, because in such bases 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: 10098601 = 73 ⋅138337.

It is a cyclic number.

It is not a de Polignac number, because 10689001 - 2¹ = 10688999 is a prime.

It is a super-2 number, since 2×10689001² = 228509484756002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10689011) 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, 281271 + ... + 281308.

It is an arithmetic number, because the mean of its divisors is an integer number (2812900).

Almost surely, 2^10689001 is an apocalyptic number.

It is an amenable number.

10689001 is a deficient number, since it is larger than the sum of its proper divisors (562599).

10689001 is an equidigital number, since it uses as much as digits as its factorization.

10689001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562598.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 10689001 is about 3269.4037682734. The cubic root of 10689001 is about 220.2820143690.

The spelling of 10689001 in words is "ten million, six hundred eighty-nine thousand, one".