505601105 has 4 divisors (see below), whose sum is σ = 606721332. Its totient is φ = 404480880.

The previous prime is 505601099. The next prime is 505601113. The reversal of 505601105 is 501106505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315133504 + 190467601 = 17752^2 + 13801^2 .

It is not a de Polignac number, because 505601105 - 2¹⁴ = 505584721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50560106 + ... + 50560115.

It is an arithmetic number, because the mean of its divisors is an integer number (151680333).

Almost surely, 2^505601105 is an apocalyptic number.

It is an amenable number.

505601105 is a deficient number, since it is larger than the sum of its proper divisors (101120227).

505601105 is a wasteful number, since it uses less digits than its factorization.

505601105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101120226.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 505601105 is about 22485.5754874097. The cubic root of 505601105 is about 796.6532608829.

The spelling of 505601105 in words is "five hundred five million, six hundred one thousand, one hundred five".