1985041 has 2 divisors, whose sum is σ = 1985042. Its totient is φ = 1985040.

The previous prime is 1985017. The next prime is 1985047. The reversal of 1985041 is 1405891.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 484416 = 1225^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1985041 - 2¹¹ = 1982993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1985047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992520 + 992521.

It is an arithmetic number, because the mean of its divisors is an integer number (992521).

2^1985041 is an apocalyptic number.

It is an amenable number.

1985041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1985041 is an equidigital number, since it uses as much as digits as its factorization.

1985041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1985041 is about 1408.9148306409. The cubic root of 1985041 is about 125.6771992507.

It can be divided in two parts, 19850 and 41, that added together give a palindrome (19891).

The spelling of 1985041 in words is "one million, nine hundred eighty-five thousand, forty-one".