4054091 has 2 divisors, whose sum is σ = 4054092. Its totient is φ = 4054090.

The previous prime is 4054069. The next prime is 4054093. The reversal of 4054091 is 1904504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4054091 - 2¹⁰ = 4053067 is a prime.

Together with 4054093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4054093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027045 + 2027046.

It is an arithmetic number, because the mean of its divisors is an integer number (2027046).

Almost surely, 2^4054091 is an apocalyptic number.

4054091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054091 is an equidigital number, since it uses as much as digits as its factorization.

4054091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4054091 is about 2013.4773403244. The cubic root of 4054091 is about 159.4524381335.

Adding to 4054091 its reverse (1904504), we get a palindrome (5958595).

The spelling of 4054091 in words is "four million, fifty-four thousand, ninety-one".