505501585 has 8 divisors (see below), whose sum is σ = 622996776. Its totient is φ = 393471360.

The previous prime is 505501559. The next prime is 505501589. The reversal of 505501585 is 585105505.

It is a happy number.

505501585 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37601424 + 467900161 = 6132^2 + 21631^2 .

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-505501585 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505501585.

It is not an unprimeable number, because it can be changed into a prime (505501589) 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, 1366036 + ... + 1366405.

It is an arithmetic number, because the mean of its divisors is an integer number (77874597).

Almost surely, 2^505501585 is an apocalyptic number.

It is an amenable number.

505501585 is a deficient number, since it is larger than the sum of its proper divisors (117495191).

505501585 is a wasteful number, since it uses less digits than its factorization.

505501585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732483.

The product of its (nonzero) digits is 25000, while the sum is 34.

The square root of 505501585 is about 22483.3624042313. The cubic root of 505501585 is about 796.6009877014.

The spelling of 505501585 in words is "five hundred five million, five hundred one thousand, five hundred eighty-five".