565407494 has 16 divisors (see below), whose sum is σ = 862802496. Its totient is φ = 277848000.

The previous prime is 565407467. The next prime is 565407497. The reversal of 565407494 is 494704565.

565407494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565407497) 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, 17459 + ... + 37889.

It is an arithmetic number, because the mean of its divisors is an integer number (53925156).

Almost surely, 2^565407494 is an apocalyptic number.

565407494 is a deficient number, since it is larger than the sum of its proper divisors (297395002).

565407494 is a wasteful number, since it uses less digits than its factorization.

565407494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20671.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 565407494 is about 23778.2988037412. The cubic root of 565407494 is about 826.9016403741.

The spelling of 565407494 in words is "five hundred sixty-five million, four hundred seven thousand, four hundred ninety-four".