505343505 has 8 divisors (see below), whose sum is σ = 808549632. Its totient is φ = 269516528.

The previous prime is 505343497. The next prime is 505343507.

505343505 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 505343505 - 2³ = 505343497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505343507) 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, 16844769 + ... + 16844798.

It is an arithmetic number, because the mean of its divisors is an integer number (101068704).

Almost surely, 2^505343505 is an apocalyptic number.

It is an amenable number.

505343505 is a deficient number, since it is larger than the sum of its proper divisors (303206127).

505343505 is a wasteful number, since it uses less digits than its factorization.

505343505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33689575.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 505343505 is about 22479.8466409360. The cubic root of 505343505 is about 796.5179415965.

The spelling of 505343505 in words is "five hundred five million, three hundred forty-three thousand, five hundred five".