506601505 has 16 divisors (see below), whose sum is σ = 612574848. Its totient is φ = 402192000.

The previous prime is 506601499. The next prime is 506601517. The reversal of 506601505 is 505106605.

It is not a de Polignac number, because 506601505 - 2²¹ = 504504353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665325 + ... + 666085.

It is an arithmetic number, because the mean of its divisors is an integer number (38285928).

Almost surely, 2^506601505 is an apocalyptic number.

It is an amenable number.

506601505 is a deficient number, since it is larger than the sum of its proper divisors (105973343).

506601505 is a wasteful number, since it uses less digits than its factorization.

506601505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 506601505 is about 22507.8098667996. The cubic root of 506601505 is about 797.1783433722.

The spelling of 506601505 in words is "five hundred six million, six hundred one thousand, five hundred five".