505410513 has 4 divisors (see below), whose sum is σ = 673880688. Its totient is φ = 336940340.

The previous prime is 505410511. The next prime is 505410517. The reversal of 505410513 is 315014505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505410513 - 2¹ = 505410511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505410511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84235083 + ... + 84235088.

It is an arithmetic number, because the mean of its divisors is an integer number (168470172).

Almost surely, 2^505410513 is an apocalyptic number.

It is an amenable number.

505410513 is a deficient number, since it is larger than the sum of its proper divisors (168470175).

505410513 is a wasteful number, since it uses less digits than its factorization.

505410513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168470174.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 505410513 is about 22481.3369931595. The cubic root of 505410513 is about 796.5531458452.

The spelling of 505410513 in words is "five hundred five million, four hundred ten thousand, five hundred thirteen".