565413520 has 160 divisors (see below), whose sum is σ = 1551686400. Its totient is φ = 187619328.

The previous prime is 565413517. The next prime is 565413553. The reversal of 565413520 is 25314565.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3601282 + ... + 3601438.

It is an arithmetic number, because the mean of its divisors is an integer number (9698040).

Almost surely, 2^565413520 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 565413520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775843200).

565413520 is an abundant number, since it is smaller than the sum of its proper divisors (986272880).

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

565413520 is a wasteful number, since it uses less digits than its factorization.

565413520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 565413520 is about 23778.4255155803. The cubic root of 565413520 is about 826.9045780144.

The spelling of 565413520 in words is "five hundred sixty-five million, four hundred thirteen thousand, five hundred twenty".