506303403 has 16 divisors (see below), whose sum is σ = 685117440. Its totient is φ = 332535584.

The previous prime is 506303387. The next prime is 506303423. The reversal of 506303403 is 304303605.

It is a cyclic number.

It is not a de Polignac number, because 506303403 - 2⁴ = 506303387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506303423) 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 15 ways as a sum of consecutive naturals, for example, 92713 + ... + 98021.

It is an arithmetic number, because the mean of its divisors is an integer number (42819840).

Almost surely, 2^506303403 is an apocalyptic number.

506303403 is a deficient number, since it is larger than the sum of its proper divisors (178814037).

506303403 is a wasteful number, since it uses less digits than its factorization.

506303403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 506303403 is about 22501.1867020386. The cubic root of 506303403 is about 797.0219501760.

The spelling of 506303403 in words is "five hundred six million, three hundred three thousand, four hundred three".