203400552 has 32 divisors (see below), whose sum is σ = 509061600. Its totient is φ = 67725504.

The previous prime is 203400551. The next prime is 203400599. The reversal of 203400552 is 255004302.

203400552 is digitally balanced in base 2, 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 (203400551) 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, 20298 + ... + 28614.

It is an arithmetic number, because the mean of its divisors is an integer number (15908175).

Almost surely, 2^203400552 is an apocalyptic number.

It is an amenable number.

203400552 is an abundant number, since it is smaller than the sum of its proper divisors (305661048).

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

203400552 is a wasteful number, since it uses less digits than its factorization.

203400552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345 (or 9341 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 203400552 is about 14261.8565411380. The cubic root of 203400552 is about 588.0993630962.

Adding to 203400552 its reverse (255004302), we get a palindrome (458404854).

The spelling of 203400552 in words is "two hundred three million, four hundred thousand, five hundred fifty-two".