521041203 has 12 divisors (see below), whose sum is σ = 752995048. Its totient is φ = 347185440.

The previous prime is 521041153. The next prime is 521041219. The reversal of 521041203 is 302140125.

It is not a de Polignac number, because 521041203 - 2⁶ = 521041139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521041253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5688 + ... + 32778.

Almost surely, 2^521041203 is an apocalyptic number.

521041203 is a deficient number, since it is larger than the sum of its proper divisors (231953845).

521041203 is a wasteful number, since it uses less digits than its factorization.

521041203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29234 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 521041203 is about 22826.3269712847. The cubic root of 521041203 is about 804.6815107781.

Adding to 521041203 its reverse (302140125), we get a palindrome (823181328).

The spelling of 521041203 in words is "five hundred twenty-one million, forty-one thousand, two hundred three".