35540689 has 4 divisors (see below), whose sum is σ = 36766260. Its totient is φ = 34315120.

The previous prime is 35540671. The next prime is 35540699. The reversal of 35540689 is 98604553.

35540689 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 98604553 = 29 ⋅3400157.

It can be written as a sum of positive squares in 2 ways, for example, as 12816400 + 22724289 = 3580^2 + 4767^2 .

It is not a de Polignac number, because 35540689 - 2⁵ = 35540657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35540669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612742 + ... + 612799.

It is an arithmetic number, because the mean of its divisors is an integer number (9191565).

Almost surely, 2^35540689 is an apocalyptic number.

It is an amenable number.

35540689 is a deficient number, since it is larger than the sum of its proper divisors (1225571).

35540689 is a wasteful number, since it uses less digits than its factorization.

35540689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225570.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 35540689 is about 5961.6012110841. The cubic root of 35540689 is about 328.7824400899.

The spelling of 35540689 in words is "thirty-five million, five hundred forty thousand, six hundred eighty-nine".