565675638 has 32 divisors (see below), whose sum is σ = 1299162240. Its totient is φ = 162394560.

The previous prime is 565675637. The next prime is 565675661. The reversal of 565675638 is 836576565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565675633) 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, 224295 + ... + 226802.

It is an arithmetic number, because the mean of its divisors is an integer number (40598820).

Almost surely, 2^565675638 is an apocalyptic number.

565675638 is an abundant number, since it is smaller than the sum of its proper divisors (733486602).

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

565675638 is a wasteful number, since it uses less digits than its factorization.

565675638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451132.

The product of its digits is 4536000, while the sum is 51.

The square root of 565675638 is about 23783.9365539012. The cubic root of 565675638 is about 827.0323388370.

The spelling of 565675638 in words is "five hundred sixty-five million, six hundred seventy-five thousand, six hundred thirty-eight".