2154041 has 2 divisors, whose sum is σ = 2154042. Its totient is φ = 2154040.

The previous prime is 2154037. The next prime is 2154043. The reversal of 2154041 is 1404512.

2154041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 137641 = 1420^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154041 - 2² = 2154037 is a prime.

Together with 2154043, 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 (2154043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077020 + 1077021.

It is an arithmetic number, because the mean of its divisors is an integer number (1077021).

2^2154041 is an apocalyptic number.

2154041 is the 785-th centered heptagonal number.

It is an amenable number.

2154041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154041 is an equidigital number, since it uses as much as digits as its factorization.

2154041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2154041 is about 1467.6651525467. The cubic root of 2154041 is about 129.1470989898.

Adding to 2154041 its reverse (1404512), we get a palindrome (3558553).

The spelling of 2154041 in words is "two million, one hundred fifty-four thousand, forty-one".