201603441 has 32 divisors (see below), whose sum is σ = 303448320. Its totient is φ = 118128384.

The previous prime is 201603427. The next prime is 201603449. The reversal of 201603441 is 144306102.

It is not a de Polignac number, because 201603441 - 2⁶ = 201603377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201603449) 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 in 31 ways as a sum of consecutive naturals, for example, 283995 + ... + 284703.

It is an arithmetic number, because the mean of its divisors is an integer number (9482760).

Almost surely, 2^201603441 is an apocalyptic number.

It is an amenable number.

201603441 is a deficient number, since it is larger than the sum of its proper divisors (101844879).

201603441 is a wasteful number, since it uses less digits than its factorization.

201603441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 201603441 is about 14198.7126529133. The cubic root of 201603441 is about 586.3622196119.

Adding to 201603441 its reverse (144306102), we get a palindrome (345909543).

The spelling of 201603441 in words is "two hundred one million, six hundred three thousand, four hundred forty-one".