565427500 has 120 divisors (see below), whose sum is σ = 1397365200. Its totient is φ = 198240000.

The previous prime is 565427477. The next prime is 565427501. The reversal of 565427500 is 5724565.

It is not an unprimeable number, because it can be changed into a prime (565427501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 797146 + ... + 797854.

It is an arithmetic number, because the mean of its divisors is an integer number (11644710).

Almost surely, 2^565427500 is an apocalyptic number.

565427500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565427500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698682600).

565427500 is an abundant number, since it is smaller than the sum of its proper divisors (831937700).

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

565427500 is a wasteful number, since it uses less digits than its factorization.

565427500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 565427500 is about 23778.7194777179. The cubic root of 565427500 is about 826.9113931036.

The spelling of 565427500 in words is "five hundred sixty-five million, four hundred twenty-seven thousand, five hundred".