4535691 has 4 divisors (see below), whose sum is σ = 6047592. Its totient is φ = 3023792.

The previous prime is 4535689. The next prime is 4535717. The reversal of 4535691 is 1965354.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4535691 - 2¹ = 4535689 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4535611) 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 3 ways as a sum of consecutive naturals, for example, 755946 + ... + 755951.

It is an arithmetic number, because the mean of its divisors is an integer number (1511898).

Almost surely, 2^4535691 is an apocalyptic number.

4535691 is a deficient number, since it is larger than the sum of its proper divisors (1511901).

4535691 is a wasteful number, since it uses less digits than its factorization.

4535691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511900.

The product of its digits is 16200, while the sum is 33.

The square root of 4535691 is about 2129.7161782735. The cubic root of 4535691 is about 165.5316916458.

The spelling of 4535691 in words is "four million, five hundred thirty-five thousand, six hundred ninety-one".