506650651 has 4 divisors (see below), whose sum is σ = 545623792. Its totient is φ = 467677512.

The previous prime is 506650591. The next prime is 506650667. The reversal of 506650651 is 156056605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506650651 - 2¹⁷ = 506519579 is a prime.

It is a super-3 number, since 3×506650651³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506650681) 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, 19486551 + ... + 19486576.

It is an arithmetic number, because the mean of its divisors is an integer number (136405948).

Almost surely, 2^506650651 is an apocalyptic number.

506650651 is a deficient number, since it is larger than the sum of its proper divisors (38973141).

506650651 is a wasteful number, since it uses less digits than its factorization.

506650651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38973140.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 506650651 is about 22508.9015947025. The cubic root of 506650651 is about 797.2041209374.

The spelling of 506650651 in words is "five hundred six million, six hundred fifty thousand, six hundred fifty-one".