505274566 has 8 divisors (see below), whose sum is σ = 759420144. Its totient is φ = 252134520.

The previous prime is 505274563. The next prime is 505274597. The reversal of 505274566 is 665472505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505274563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250125 + ... + 252136.

It is an arithmetic number, because the mean of its divisors is an integer number (94927518).

Almost surely, 2^505274566 is an apocalyptic number.

505274566 is a deficient number, since it is larger than the sum of its proper divisors (254145578).

505274566 is a wasteful number, since it uses less digits than its factorization.

505274566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502766.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 505274566 is about 22478.3132374295. The cubic root of 505274566 is about 796.4817196029.

The spelling of 505274566 in words is "five hundred five million, two hundred seventy-four thousand, five hundred sixty-six".