505765105 has 8 divisors (see below), whose sum is σ = 607089600. Its totient is φ = 404497776.

The previous prime is 505765103. The next prime is 505765121. The reversal of 505765105 is 501567505.

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 505765105 - 2¹ = 505765103 is a prime.

It is a super-2 number, since 2×505765105² = 511596682871322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505765103) 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, 8476 + ... + 32914.

It is an arithmetic number, because the mean of its divisors is an integer number (75886200).

Almost surely, 2^505765105 is an apocalyptic number.

It is an amenable number.

505765105 is a deficient number, since it is larger than the sum of its proper divisors (101324495).

505765105 is a wasteful number, since it uses less digits than its factorization.

505765105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28583.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 505765105 is about 22489.2219740924. The cubic root of 505765105 is about 796.7393874161.

The spelling of 505765105 in words is "five hundred five million, seven hundred sixty-five thousand, one hundred five".