4521081 has 8 divisors (see below), whose sum is σ = 6059200. Its totient is φ = 2998512.

The previous prime is 4521079. The next prime is 4521103. The reversal of 4521081 is 1801254.

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

It is not a de Polignac number, because 4521081 - 2¹ = 4521079 is a prime.

It is a super-2 number, since 2×4521081² = 40880346817122, which contains 22 as substring.

It is a Duffinian number.

4521081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4521001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (757400).

Almost surely, 2^4521081 is an apocalyptic number.

It is an amenable number.

4521081 is a deficient number, since it is larger than the sum of its proper divisors (1538119).

4521081 is a wasteful number, since it uses less digits than its factorization.

4521081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 4521081 is about 2126.2833771631. The cubic root of 4521081 is about 165.3537680510.

The spelling of 4521081 in words is "four million, five hundred twenty-one thousand, eighty-one".