565894252 has 144 divisors (see below), whose sum is σ = 1340640000. Its totient is φ = 203955840.

The previous prime is 565894237. The next prime is 565894253. The reversal of 565894252 is 252498565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (565894253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3797874 + ... + 3798022.

It is an arithmetic number, because the mean of its divisors is an integer number (9310000).

Almost surely, 2^565894252 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 565894252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670320000).

565894252 is an abundant number, since it is smaller than the sum of its proper divisors (774745748).

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

565894252 is a wasteful number, since it uses less digits than its factorization.

565894252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 247 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The square root of 565894252 is about 23788.5319429342. The cubic root of 565894252 is about 827.1388648798.

The spelling of 565894252 in words is "five hundred sixty-five million, eight hundred ninety-four thousand, two hundred fifty-two".