506570065 has 8 divisors (see below), whose sum is σ = 608243688. Its totient is φ = 405016320.

The previous prime is 506570059. The next prime is 506570069. The reversal of 506570065 is 560075605.

It can be written as a sum of positive squares in 4 ways, for example, as 1399489 + 505170576 = 1183^2 + 22476^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-506570065 is a prime.

It is a super-2 number, since 2×506570065² = 513226461508208450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506570065.

It is not an unprimeable number, because it can be changed into a prime (506570069) 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, 20392 + ... + 37801.

It is an arithmetic number, because the mean of its divisors is an integer number (76030461).

Almost surely, 2^506570065 is an apocalyptic number.

It is an amenable number.

506570065 is a deficient number, since it is larger than the sum of its proper divisors (101673623).

506570065 is a wasteful number, since it uses less digits than its factorization.

506570065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59939.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 506570065 is about 22507.1114317231. Note that the first 3 decimals coincide. The cubic root of 506570065 is about 797.1618519055.

The spelling of 506570065 in words is "five hundred six million, five hundred seventy thousand, sixty-five".