2538091 has 2 divisors, whose sum is σ = 2538092. Its totient is φ = 2538090.

The previous prime is 2538079. The next prime is 2538097. The reversal of 2538091 is 1908352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2538091 - 2⁵ = 2538059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2538097) 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 as a sum of consecutive naturals, namely, 1269045 + 1269046.

It is an arithmetic number, because the mean of its divisors is an integer number (1269046).

2^2538091 is an apocalyptic number.

2538091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538091 is an equidigital number, since it uses as much as digits as its factorization.

2538091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2538091 is about 1593.1387259118. The cubic root of 2538091 is about 136.4067085620.

The spelling of 2538091 in words is "two million, five hundred thirty-eight thousand, ninety-one".