505774365 has 8 divisors (see below), whose sum is σ = 809239008. Its totient is φ = 269746320.

The previous prime is 505774351. The next prime is 505774397. The reversal of 505774365 is 563477505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505774365 - 2¹⁵ = 505741597 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 16859131 + ... + 16859160.

It is an arithmetic number, because the mean of its divisors is an integer number (101154876).

Almost surely, 2^505774365 is an apocalyptic number.

It is an amenable number.

505774365 is a deficient number, since it is larger than the sum of its proper divisors (303464643).

505774365 is a wasteful number, since it uses less digits than its factorization.

505774365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33718299.

The product of its (nonzero) digits is 441000, while the sum is 42.

The square root of 505774365 is about 22489.4278495474. The cubic root of 505774365 is about 796.7442498589.

The spelling of 505774365 in words is "five hundred five million, seven hundred seventy-four thousand, three hundred sixty-five".