4501691 has 4 divisors (see below), whose sum is σ = 4563432. Its totient is φ = 4439952.

The previous prime is 4501669. The next prime is 4501711. The reversal of 4501691 is 1961054.

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 4501691 - 2¹⁰ = 4500667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4501691.

It is not an unprimeable number, because it can be changed into a prime (4501621) 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, 30761 + ... + 30906.

It is an arithmetic number, because the mean of its divisors is an integer number (1140858).

Almost surely, 2^4501691 is an apocalyptic number.

4501691 is a deficient number, since it is larger than the sum of its proper divisors (61741).

4501691 is an equidigital number, since it uses as much as digits as its factorization.

4501691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61740.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 4501691 is about 2121.7188786453. The cubic root of 4501691 is about 165.1170397030.

The spelling of 4501691 in words is "four million, five hundred one thousand, six hundred ninety-one".