505100065 has 8 divisors (see below), whose sum is σ = 606515328. Its totient is φ = 403816560.

The previous prime is 505100053. The next prime is 505100083. The reversal of 505100065 is 560001505.

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

It is a de Polignac number, because none of the positive numbers 2^k-505100065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24297 + ... + 40006.

It is an arithmetic number, because the mean of its divisors is an integer number (75814416).

Almost surely, 2^505100065 is an apocalyptic number.

It is an amenable number.

505100065 is a deficient number, since it is larger than the sum of its proper divisors (101415263).

505100065 is a wasteful number, since it uses less digits than its factorization.

505100065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65879.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 505100065 is about 22474.4313609933. The cubic root of 505100065 is about 796.3900183979.

The spelling of 505100065 in words is "five hundred five million, one hundred thousand, sixty-five".