4527091 has 4 divisors (see below), whose sum is σ = 4559800. Its totient is φ = 4494384.

The previous prime is 4527079. The next prime is 4527109. The reversal of 4527091 is 1907254.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4527091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4527071) 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, 16146 + ... + 16423.

It is an arithmetic number, because the mean of its divisors is an integer number (1139950).

Almost surely, 2^4527091 is an apocalyptic number.

4527091 is a deficient number, since it is larger than the sum of its proper divisors (32709).

4527091 is a wasteful number, since it uses less digits than its factorization.

4527091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32708.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4527091 is about 2127.6961719193. The cubic root of 4527091 is about 165.4270054117.

The spelling of 4527091 in words is "four million, five hundred twenty-seven thousand, ninety-one".