201034541 has 4 divisors (see below), whose sum is σ = 203025084. Its totient is φ = 199044000.

The previous prime is 201034531. The next prime is 201034577. The reversal of 201034541 is 145430102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147525316 + 53509225 = 12146^2 + 7315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201034541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201034501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995120 + ... + 995321.

It is an arithmetic number, because the mean of its divisors is an integer number (50756271).

Almost surely, 2^201034541 is an apocalyptic number.

It is an amenable number.

201034541 is a deficient number, since it is larger than the sum of its proper divisors (1990543).

201034541 is a wasteful number, since it uses less digits than its factorization.

201034541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990542.

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

The square root of 201034541 is about 14178.6649935740. The cubic root of 201034541 is about 585.8101527537.

Adding to 201034541 its reverse (145430102), we get a palindrome (346464643).

The spelling of 201034541 in words is "two hundred one million, thirty-four thousand, five hundred forty-one".