4554091 has 4 divisors (see below), whose sum is σ = 4793800. Its totient is φ = 4314384.

The previous prime is 4554083. The next prime is 4554097. The reversal of 4554091 is 1904554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1904554 = 2 ⋅952277.

It is a cyclic number.

It is not a de Polignac number, because 4554091 - 2³ = 4554083 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 (4554097) 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, 119826 + ... + 119863.

It is an arithmetic number, because the mean of its divisors is an integer number (1198450).

Almost surely, 2^4554091 is an apocalyptic number.

4554091 is a deficient number, since it is larger than the sum of its proper divisors (239709).

4554091 is a wasteful number, since it uses less digits than its factorization.

4554091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239708.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4554091 is about 2134.0316305060. The cubic root of 4554091 is about 165.7552278729.

The spelling of 4554091 in words is "four million, five hundred fifty-four thousand, ninety-one".