565490001 has 4 divisors (see below), whose sum is σ = 753986672. Its totient is φ = 376993332.

The previous prime is 565489993. The next prime is 565490059. The reversal of 565490001 is 100094565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 565490001 - 2³ = 565489993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565492001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94248331 + ... + 94248336.

It is an arithmetic number, because the mean of its divisors is an integer number (188496668).

Almost surely, 2^565490001 is an apocalyptic number.

It is an amenable number.

565490001 is a deficient number, since it is larger than the sum of its proper divisors (188496671).

565490001 is a wasteful number, since it uses less digits than its factorization.

565490001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188496670.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 565490001 is about 23780.0336627180. The cubic root of 565490001 is about 826.9418602486.

The spelling of 565490001 in words is "five hundred sixty-five million, four hundred ninety thousand, one".