4542081 has 4 divisors (see below), whose sum is σ = 6056112. Its totient is φ = 3028052.

The previous prime is 4542061. The next prime is 4542107. The reversal of 4542081 is 1802454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4542081 - 2⁵ = 4542049 is a prime.

It is a super-2 number, since 2×4542081² = 41260999621122, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4542001) 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, 757011 + ... + 757016.

It is an arithmetic number, because the mean of its divisors is an integer number (1514028).

Almost surely, 2^4542081 is an apocalyptic number.

It is an amenable number.

4542081 is a deficient number, since it is larger than the sum of its proper divisors (1514031).

4542081 is a wasteful number, since it uses less digits than its factorization.

4542081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514030.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4542081 is about 2131.2158501663. The cubic root of 4542081 is about 165.6093902934.

The spelling of 4542081 in words is "four million, five hundred forty-two thousand, eighty-one".