2089541 has 2 divisors, whose sum is σ = 2089542. Its totient is φ = 2089540.

The previous prime is 2089523. The next prime is 2089543. The reversal of 2089541 is 1459802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 198916 = 1375^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089541 - 2¹⁰ = 2088517 is a prime.

Together with 2089543, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044770 + 1044771.

It is an arithmetic number, because the mean of its divisors is an integer number (1044771).

2^2089541 is an apocalyptic number.

It is an amenable number.

2089541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089541 is an equidigital number, since it uses as much as digits as its factorization.

2089541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2089541 is about 1445.5244722937. The cubic root of 2089541 is about 127.8449661070.

The spelling of 2089541 in words is "two million, eighty-nine thousand, five hundred forty-one".