1441603 has 2 divisors, whose sum is σ = 1441604. Its totient is φ = 1441602.

The previous prime is 1441591. The next prime is 1441633. The reversal of 1441603 is 3061441.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3061441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441603 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1441633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720801 + 720802.

It is an arithmetic number, because the mean of its divisors is an integer number (720802).

2^1441603 is an apocalyptic number.

1441603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441603 is an equidigital number, since it uses as much as digits as its factorization.

1441603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1441603 is about 1200.6677308898. The cubic root of 1441603 is about 112.9662101701.

The spelling of 1441603 in words is "one million, four hundred forty-one thousand, six hundred three".