505232103 has 4 divisors (see below), whose sum is σ = 673642808. Its totient is φ = 336821400.

The previous prime is 505232089. The next prime is 505232137. The reversal of 505232103 is 301232505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 505232103 - 2⁴ = 505232087 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505232103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505232183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84205348 + ... + 84205353.

It is an arithmetic number, because the mean of its divisors is an integer number (168410702).

Almost surely, 2^505232103 is an apocalyptic number.

505232103 is a deficient number, since it is larger than the sum of its proper divisors (168410705).

505232103 is a wasteful number, since it uses less digits than its factorization.

505232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168410704.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 505232103 is about 22477.3686849684. The cubic root of 505232103 is about 796.4594070142.

Adding to 505232103 its reverse (301232505), we get a palindrome (806464608).

The spelling of 505232103 in words is "five hundred five million, two hundred thirty-two thousand, one hundred three".