203425211 has 16 divisors (see below), whose sum is σ = 225255168. Its totient is φ = 182172000.

The previous prime is 203425207. The next prime is 203425241. The reversal of 203425211 is 112524302.

It is a cyclic number.

It is not a de Polignac number, because 203425211 - 2² = 203425207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203425241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314090 + ... + 314736.

It is an arithmetic number, because the mean of its divisors is an integer number (14078448).

Almost surely, 2^203425211 is an apocalyptic number.

203425211 is a deficient number, since it is larger than the sum of its proper divisors (21829957).

203425211 is a wasteful number, since it uses less digits than its factorization.

203425211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

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

The square root of 203425211 is about 14262.7210237037. The cubic root of 203425211 is about 588.1231279550.

Adding to 203425211 its reverse (112524302), we get a palindrome (315949513).

Subtracting from 203425211 its reverse (112524302), we obtain a palindrome (90900909).

The spelling of 203425211 in words is "two hundred three million, four hundred twenty-five thousand, two hundred eleven".