203687052 has 24 divisors (see below), whose sum is σ = 483062832. Its totient is φ = 66782400.

The previous prime is 203687021. The next prime is 203687059. The reversal of 203687052 is 250786302.

203687052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203687059) 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, 138399 + ... + 139862.

It is an arithmetic number, because the mean of its divisors is an integer number (20127618).

Almost surely, 2^203687052 is an apocalyptic number.

It is an amenable number.

203687052 is an abundant number, since it is smaller than the sum of its proper divisors (279375780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203687052 is a wasteful number, since it uses less digits than its factorization.

203687052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278329 (or 278327 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 203687052 is about 14271.8972810205. The cubic root of 203687052 is about 588.3753561529.

The spelling of 203687052 in words is "two hundred three million, six hundred eighty-seven thousand, fifty-two".