505275005003 has 4 divisors (see below), whose sum is σ = 512196580488. Its totient is φ = 498353429520.

The previous prime is 505275004963. The next prime is 505275005009. The reversal of 505275005003 is 300500572505.

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

It is a cyclic number.

It is not a de Polignac number, because 505275005003 - 2²⁰ = 505273956427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505275005009) 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, 3460787633 + ... + 3460787778.

It is an arithmetic number, because the mean of its divisors is an integer number (128049145122).

Almost surely, 2^505275005003 is an apocalyptic number.

505275005003 is a deficient number, since it is larger than the sum of its proper divisors (6921575485).

505275005003 is an equidigital number, since it uses as much as digits as its factorization.

505275005003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921575484.

The product of its (nonzero) digits is 26250, while the sum is 32.

Adding to 505275005003 its reverse (300500572505), we get a palindrome (805775577508).

The spelling of 505275005003 in words is "five hundred five billion, two hundred seventy-five million, five thousand, three".