565313536 has 72 divisors (see below), whose sum is σ = 1195372080. Its totient is φ = 266600448.

The previous prime is 565313519. The next prime is 565313549. The reversal of 565313536 is 635313565.

It is a junction number, because it is equal to n+sod(n) for n = 565313495 and 565313504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490255 + ... + 2490481.

It is an arithmetic number, because the mean of its divisors is an integer number (16602390).

Almost surely, 2^565313536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565313536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597686040).

565313536 is an abundant number, since it is smaller than the sum of its proper divisors (630058544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565313536 is an frugal number, since it uses more digits than its factorization.

565313536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 248 counting only the distinct ones).

The product of its digits is 121500, while the sum is 37.

The square root of 565313536 is about 23776.3230126107. The cubic root of 565313536 is about 826.8558336894.

The spelling of 565313536 in words is "five hundred sixty-five million, three hundred thirteen thousand, five hundred thirty-six".