565539349 has 8 divisors (see below), whose sum is σ = 573553152. Its totient is φ = 557578560.

The previous prime is 565539347. The next prime is 565539383. The reversal of 565539349 is 943935565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 565539349 - 2¹ = 565539347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565539347) 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, 8482 + ... + 34684.

It is an arithmetic number, because the mean of its divisors is an integer number (71694144).

Almost surely, 2^565539349 is an apocalyptic number.

It is an amenable number.

565539349 is a deficient number, since it is larger than the sum of its proper divisors (8013803).

565539349 is a wasteful number, since it uses less digits than its factorization.

565539349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26507.

The product of its digits is 2187000, while the sum is 49.

The square root of 565539349 is about 23781.0712332309. The cubic root of 565539349 is about 826.9659141604.

The spelling of 565539349 in words is "five hundred sixty-five million, five hundred thirty-nine thousand, three hundred forty-nine".