565426603 has 4 divisors (see below), whose sum is σ = 646201840. Its totient is φ = 484651368.

The previous prime is 565426573. The next prime is 565426619. The reversal of 565426603 is 306624565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 565426603 - 2⁵ = 565426571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565426663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40387608 + ... + 40387621.

It is an arithmetic number, because the mean of its divisors is an integer number (161550460).

Almost surely, 2^565426603 is an apocalyptic number.

565426603 is a deficient number, since it is larger than the sum of its proper divisors (80775237).

565426603 is an equidigital number, since it uses as much as digits as its factorization.

565426603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80775236.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 565426603 is about 23778.7006163079. The cubic root of 565426603 is about 826.9109558298.

The spelling of 565426603 in words is "five hundred sixty-five million, four hundred twenty-six thousand, six hundred three".