505620105 has 16 divisors (see below), whose sum is σ = 810104640. Its totient is φ = 269293248.

The previous prime is 505620079. The next prime is 505620107. The reversal of 505620105 is 501026505.

It is not a de Polignac number, because 505620105 - 2⁷ = 505619977 is a prime.

It is a super-2 number, since 2×505620105² = 511303381160422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505620107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11722 + ... + 33891.

It is an arithmetic number, because the mean of its divisors is an integer number (50631540).

Almost surely, 2^505620105 is an apocalyptic number.

It is an amenable number.

505620105 is a deficient number, since it is larger than the sum of its proper divisors (304484535).

505620105 is a wasteful number, since it uses less digits than its factorization.

505620105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46360.

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

The square root of 505620105 is about 22485.9979765186. The cubic root of 505620105 is about 796.6632399106.

The spelling of 505620105 in words is "five hundred five million, six hundred twenty thousand, one hundred five".