201388052 has 12 divisors (see below), whose sum is σ = 373160340. Its totient is φ = 94770816.

The previous prime is 201388051. The next prime is 201388079. The reversal of 201388052 is 250883102.

201388052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 117592336 + 83795716 = 10844^2 + 9154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201388051) 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, 1480727 + ... + 1480862.

It is an arithmetic number, because the mean of its divisors is an integer number (31096695).

Almost surely, 2^201388052 is an apocalyptic number.

It is an amenable number.

201388052 is a deficient number, since it is larger than the sum of its proper divisors (171772288).

201388052 is a wasteful number, since it uses less digits than its factorization.

201388052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961610 (or 2961608 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 201388052 is about 14191.1258186234. The cubic root of 201388052 is about 586.1533260607.

The spelling of 201388052 in words is "two hundred one million, three hundred eighty-eight thousand, fifty-two".