203530485 has 16 divisors (see below), whose sum is σ = 326856960. Its totient is φ = 108146880.

The previous prime is 203530463. The next prime is 203530543. The reversal of 203530485 is 584035302.

It is a de Polignac number, because none of the positive numbers 2^k-203530485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20970 + ... + 29099.

It is an arithmetic number, because the mean of its divisors is an integer number (20428560).

Almost surely, 2^203530485 is an apocalyptic number.

It is an amenable number.

203530485 is a deficient number, since it is larger than the sum of its proper divisors (123326475).

203530485 is a wasteful number, since it uses less digits than its factorization.

203530485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50348.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 203530485 is about 14266.4110763710. The cubic root of 203530485 is about 588.2245630993.

Adding to 203530485 its reverse (584035302), we get a palindrome (787565787).

The spelling of 203530485 in words is "two hundred three million, five hundred thirty thousand, four hundred eighty-five".