505135203 has 8 divisors (see below), whose sum is σ = 673752768. Its totient is φ = 336637224.

The previous prime is 505135201. The next prime is 505135231. The reversal of 505135203 is 302531505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505135203 - 2¹ = 505135201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505135201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19525 + ... + 37302.

It is an arithmetic number, because the mean of its divisors is an integer number (84219096).

Almost surely, 2^505135203 is an apocalyptic number.

505135203 is a deficient number, since it is larger than the sum of its proper divisors (168617565).

505135203 is a wasteful number, since it uses less digits than its factorization.

505135203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59793.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 505135203 is about 22475.2130801913. The cubic root of 505135203 is about 796.4084853021.

Adding to 505135203 its reverse (302531505), we get a palindrome (807666708).

The spelling of 505135203 in words is "five hundred five million, one hundred thirty-five thousand, two hundred three".