505305005 has 4 divisors (see below), whose sum is σ = 606366012. Its totient is φ = 404244000.

The previous prime is 505305001. The next prime is 505305011. The reversal of 505305005 is 500503505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500503505 = 5 ⋅100100701.

It can be written as a sum of positive squares in 2 ways, for example, as 177369124 + 327935881 = 13318^2 + 18109^2 .

It is not a de Polignac number, because 505305005 - 2² = 505305001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505305001) 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, 50530496 + ... + 50530505.

It is an arithmetic number, because the mean of its divisors is an integer number (151591503).

Almost surely, 2^505305005 is an apocalyptic number.

It is an amenable number.

505305005 is a deficient number, since it is larger than the sum of its proper divisors (101061007).

505305005 is a wasteful number, since it uses less digits than its factorization.

505305005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101061006.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 505305005 is about 22478.9903020576. The cubic root of 505305005 is about 796.4977132968.

The spelling of 505305005 in words is "five hundred five million, three hundred five thousand, five".