565304064 has 144 divisors (see below), whose sum is σ = 1660987104. Its totient is φ = 169574400.

The previous prime is 565304057. The next prime is 565304081. The reversal of 565304064 is 460403565.

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, 408654 + ... + 410034.

Almost surely, 2^565304064 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 565304064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830493552).

565304064 is an abundant number, since it is smaller than the sum of its proper divisors (1095683040).

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

565304064 is a wasteful number, since it uses less digits than its factorization.

565304064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 565304064 is about 23776.1238220194. The cubic root of 565304064 is about 826.8512155901.

The spelling of 565304064 in words is "five hundred sixty-five million, three hundred four thousand, sixty-four".