505424245 has 8 divisors (see below), whose sum is σ = 606630816. Its totient is φ = 404258256.

The previous prime is 505424239. The next prime is 505424281. The reversal of 505424245 is 542424505.

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 505424245 - 2⁹ = 505423733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38274 + ... + 49756.

It is an arithmetic number, because the mean of its divisors is an integer number (75828852).

Almost surely, 2^505424245 is an apocalyptic number.

It is an amenable number.

505424245 is a deficient number, since it is larger than the sum of its proper divisors (101206571).

505424245 is a wasteful number, since it uses less digits than its factorization.

505424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20291.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 505424245 is about 22481.6423999671. The cubic root of 505424245 is about 796.5603598943.

The spelling of 505424245 in words is "five hundred five million, four hundred twenty-four thousand, two hundred forty-five".