505066549 has 8 divisors (see below), whose sum is σ = 575913240. Its totient is φ = 438790656.

The previous prime is 505066547. The next prime is 505066561. The reversal of 505066549 is 945660505.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 504900900 = 407^2 + 22470^2 .

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 505066549 - 2¹ = 505066547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505066547) 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, 1142464 + ... + 1142905.

It is an arithmetic number, because the mean of its divisors is an integer number (71989155).

Almost surely, 2^505066549 is an apocalyptic number.

It is an amenable number.

505066549 is a deficient number, since it is larger than the sum of its proper divisors (70846691).

505066549 is a wasteful number, since it uses less digits than its factorization.

505066549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285399.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 505066549 is about 22473.6857012818. The cubic root of 505066549 is about 796.3724031436.

The spelling of 505066549 in words is "five hundred five million, sixty-six thousand, five hundred forty-nine".