565634316 has 48 divisors (see below), whose sum is σ = 1425199104. Its totient is φ = 173568576.

The previous prime is 565634309. The next prime is 565634317. The reversal of 565634316 is 613436565.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (565634317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55015 + ... + 64481.

It is an arithmetic number, because the mean of its divisors is an integer number (29691648).

Almost surely, 2^565634316 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 565634316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712599552).

565634316 is an abundant number, since it is smaller than the sum of its proper divisors (859564788).

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

565634316 is a wasteful number, since it uses less digits than its factorization.

565634316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9870 (or 9868 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 565634316 is about 23783.0678424799. The cubic root of 565634316 is about 827.0122004042.

The spelling of 565634316 in words is "five hundred sixty-five million, six hundred thirty-four thousand, three hundred sixteen".