1659041 has 2 divisors, whose sum is σ = 1659042. Its totient is φ = 1659040.

The previous prime is 1659029. The next prime is 1659067. The reversal of 1659041 is 1409561.

It is an a-pointer prime, because the next prime (1659067) can be obtained adding 1659041 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274641 + 384400 = 1129^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1659041 - 2⁶ = 1658977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1659041.

It is not a weakly prime, because it can be changed into another prime (1659011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829520 + 829521.

It is an arithmetic number, because the mean of its divisors is an integer number (829521).

2^1659041 is an apocalyptic number.

It is an amenable number.

1659041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659041 is an equidigital number, since it uses as much as digits as its factorization.

1659041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1659041 is about 1288.0376547291. The cubic root of 1659041 is about 118.3820091136.

The spelling of 1659041 in words is "one million, six hundred fifty-nine thousand, forty-one".