201040052 has 6 divisors (see below), whose sum is σ = 351820098. Its totient is φ = 100520024.

The previous prime is 201040051. The next prime is 201040117. The reversal of 201040052 is 250040102.

It can be written as a sum of positive squares in only one way, i.e., 159617956 + 41422096 = 12634^2 + 6436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201040051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25130003 + ... + 25130010.

It is an arithmetic number, because the mean of its divisors is an integer number (58636683).

Almost surely, 2^201040052 is an apocalyptic number.

It is an amenable number.

201040052 is a deficient number, since it is larger than the sum of its proper divisors (150780046).

201040052 is a wasteful number, since it uses less digits than its factorization.

201040052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50260017 (or 50260015 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 201040052 is about 14178.8593335289. The cubic root of 201040052 is about 585.8155056817.

Adding to 201040052 its reverse (250040102), we get a palindrome (451080154).

Subtracting 201040052 from its reverse (250040102), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 201040052 in words is "two hundred one million, forty thousand, fifty-two".