203425432 has 64 divisors (see below), whose sum is σ = 465569280. Its totient is φ = 81430272.

The previous prime is 203425429. The next prime is 203425433. The reversal of 203425432 is 234524302.

It is a junction number, because it is equal to n+sod(n) for n = 203425397 and 203425406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203425433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53548 + ... + 57220.

It is an arithmetic number, because the mean of its divisors is an integer number (7274520).

Almost surely, 2^203425432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203425432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232784640).

203425432 is an abundant number, since it is smaller than the sum of its proper divisors (262143848).

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

203425432 is a wasteful number, since it uses less digits than its factorization.

203425432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 203425432 is about 14262.7287711714. The cubic root of 203425432 is about 588.1233409328.

Adding to 203425432 its reverse (234524302), we get a palindrome (437949734).

The spelling of 203425432 in words is "two hundred three million, four hundred twenty-five thousand, four hundred thirty-two".