505066715 has 4 divisors (see below), whose sum is σ = 606080064. Its totient is φ = 404053368.

The previous prime is 505066699. The next prime is 505066717. The reversal of 505066715 is 517660505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517660505 = 5 ⋅103532101.

It is a cyclic number.

It is not a de Polignac number, because 505066715 - 2⁴ = 505066699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505066717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50506667 + ... + 50506676.

It is an arithmetic number, because the mean of its divisors is an integer number (151520016).

Almost surely, 2^505066715 is an apocalyptic number.

505066715 is a deficient number, since it is larger than the sum of its proper divisors (101013349).

505066715 is a wasteful number, since it uses less digits than its factorization.

505066715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101013348.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 505066715 is about 22473.6893944897. The cubic root of 505066715 is about 796.3724903914.

The spelling of 505066715 in words is "five hundred five million, sixty-six thousand, seven hundred fifteen".