1635041 has 2 divisors, whose sum is σ = 1635042. Its totient is φ = 1635040.

The previous prime is 1635037. The next prime is 1635061. The reversal of 1635041 is 1405361.

It is an a-pointer prime, because the next prime (1635061) can be obtained adding 1635041 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1615441 + 19600 = 1271^2 + 140^2 .

It is an emirp because it is prime and its reverse (1405361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1635041 - 2² = 1635037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1635031) 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, 817520 + 817521.

It is an arithmetic number, because the mean of its divisors is an integer number (817521).

2^1635041 is an apocalyptic number.

It is an amenable number.

1635041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1635041 is an equidigital number, since it uses as much as digits as its factorization.

1635041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1635041 is about 1278.6872174226. The cubic root of 1635041 is about 117.8083886324.

The spelling of 1635041 in words is "one million, six hundred thirty-five thousand, forty-one".