565025420 has 24 divisors (see below), whose sum is σ = 1249004400. Its totient is φ = 214114752.

The previous prime is 565025407. The next prime is 565025423. The reversal of 565025420 is 24520565.

It is not an unprimeable number, because it can be changed into a prime (565025423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743075 + ... + 743834.

It is an arithmetic number, because the mean of its divisors is an integer number (52041850).

Almost surely, 2^565025420 is an apocalyptic number.

It is an amenable number.

565025420 is an abundant number, since it is smaller than the sum of its proper divisors (683978980).

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

565025420 is a wasteful number, since it uses less digits than its factorization.

565025420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486937 (or 1486935 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 565025420 is about 23770.2633557140. The cubic root of 565025420 is about 826.7153388645.

Adding to 565025420 its reverse (24520565), we get a palindrome (589545985).

The spelling of 565025420 in words is "five hundred sixty-five million, twenty-five thousand, four hundred twenty".