4491541 has 8 divisors (see below), whose sum is σ = 4641624. Its totient is φ = 4343040.

The previous prime is 4491533. The next prime is 4491551. The reversal of 4491541 is 1451944.

It can be written as a sum of positive squares in 4 ways, for example, as 531441 + 3960100 = 729^2 + 1990^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4491541 - 2³ = 4491533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8361 + ... + 8881.

It is an arithmetic number, because the mean of its divisors is an integer number (580203).

Almost surely, 2^4491541 is an apocalyptic number.

It is an amenable number.

4491541 is a deficient number, since it is larger than the sum of its proper divisors (150083).

4491541 is a wasteful number, since it uses less digits than its factorization.

4491541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its digits is 2880, while the sum is 28.

The square root of 4491541 is about 2119.3256002795. The cubic root of 4491541 is about 164.9928493993.

The spelling of 4491541 in words is "four million, four hundred ninety-one thousand, five hundred forty-one".