565280039 has 16 divisors (see below), whose sum is σ = 657434880. Its totient is φ = 482106240.

The previous prime is 565280011. The next prime is 565280047. The reversal of 565280039 is 930082565.

It is a cyclic number.

It is not a de Polignac number, because 565280039 - 2⁸ = 565279783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 565279984 and 565280011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565280069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30617 + ... + 45474.

It is an arithmetic number, because the mean of its divisors is an integer number (41089680).

Almost surely, 2^565280039 is an apocalyptic number.

565280039 is a deficient number, since it is larger than the sum of its proper divisors (92154841).

565280039 is a wasteful number, since it uses less digits than its factorization.

565280039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76150.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 565280039 is about 23775.6185829097. The cubic root of 565280039 is about 826.8395019047.

The spelling of 565280039 in words is "five hundred sixty-five million, two hundred eighty thousand, thirty-nine".