201543041 has 8 divisors (see below), whose sum is σ = 243884160. Its totient is φ = 162589248.

The previous prime is 201543037. The next prime is 201543049. The reversal of 201543041 is 140345102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201543041 - 2² = 201543037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201543049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846701 + ... + 846938.

It is an arithmetic number, because the mean of its divisors is an integer number (30485520).

Almost surely, 2^201543041 is an apocalyptic number.

It is an amenable number.

201543041 is a deficient number, since it is larger than the sum of its proper divisors (42341119).

201543041 is a wasteful number, since it uses less digits than its factorization.

201543041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693663.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201543041 is about 14196.5855401924. The cubic root of 201543041 is about 586.3036561016.

Adding to 201543041 its reverse (140345102), we get a palindrome (341888143).

The spelling of 201543041 in words is "two hundred one million, five hundred forty-three thousand, forty-one".