565230400 has 168 divisors, whose sum is σ = 1607555840. Its totient is φ = 191600640.

The previous prime is 565230397. The next prime is 565230401. The reversal of 565230400 is 4032565.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565230401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220569 + ... + 1221031.

Almost surely, 2^565230400 is an apocalyptic number.

565230400 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 565230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803777920).

565230400 is an abundant number, since it is smaller than the sum of its proper divisors (1042325440).

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

565230400 is a wasteful number, since it uses less digits than its factorization.

565230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 565230400 is about 23774.5746544497. The cubic root of 565230400 is about 826.8152987460.

Adding to 565230400 its reverse (4032565), we get a palindrome (569262965).

The spelling of 565230400 in words is "five hundred sixty-five million, two hundred thirty thousand, four hundred".