4527491 has 16 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 3968640.

The previous prime is 4527487. The next prime is 4527493. The reversal of 4527491 is 1947254.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4527491 - 2² = 4527487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4527493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34496 + ... + 34626.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

Almost surely, 2^4527491 is an apocalyptic number.

4527491 is a deficient number, since it is larger than the sum of its proper divisors (604669).

4527491 is a wasteful number, since it uses less digits than its factorization.

4527491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its digits is 10080, while the sum is 32.

The square root of 4527491 is about 2127.7901682262. The cubic root of 4527491 is about 165.4318774773.

The spelling of 4527491 in words is "four million, five hundred twenty-seven thousand, four hundred ninety-one".