4521541 has 8 divisors (see below), whose sum is σ = 4890240. Its totient is φ = 4164288.

The previous prime is 4521533. The next prime is 4521551. The reversal of 4521541 is 1451254.

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 4521541 - 2³ = 4521533 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 (4521551) 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, 2031 + ... + 3628.

It is an arithmetic number, because the mean of its divisors is an integer number (611280).

Almost surely, 2^4521541 is an apocalyptic number.

It is an amenable number.

4521541 is a deficient number, since it is larger than the sum of its proper divisors (368699).

4521541 is a wasteful number, since it uses less digits than its factorization.

4521541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723.

The product of its digits is 800, while the sum is 22.

The square root of 4521541 is about 2126.3915443775. The cubic root of 4521541 is about 165.3593758657.

Adding to 4521541 its reverse (1451254), we get a palindrome (5972795).

The spelling of 4521541 in words is "four million, five hundred twenty-one thousand, five hundred forty-one".