506566497 has 8 divisors (see below), whose sum is σ = 676107520. Its totient is φ = 337368240.

The previous prime is 506566483. The next prime is 506566537. The reversal of 506566497 is 794665605.

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

It is not a de Polignac number, because 506566497 - 2⁴ = 506566481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506566447) 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, 82222 + ... + 88167.

It is an arithmetic number, because the mean of its divisors is an integer number (84513440).

Almost surely, 2^506566497 is an apocalyptic number.

It is an amenable number.

506566497 is a deficient number, since it is larger than the sum of its proper divisors (169541023).

506566497 is a wasteful number, since it uses less digits than its factorization.

506566497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171383.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 506566497 is about 22507.0321677470. The cubic root of 506566497 is about 797.1599803117.

The spelling of 506566497 in words is "five hundred six million, five hundred sixty-six thousand, four hundred ninety-seven".