500565001 has 4 divisors (see below), whose sum is σ = 501071104. Its totient is φ = 500058900.

The previous prime is 500564959. The next prime is 500565041. The reversal of 500565001 is 100565005.

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 a cyclic number.

It is not a de Polignac number, because 500565001 - 2¹³ = 500556809 is a prime.

It is a super-2 number, since 2×500565001² = 501130640452260002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500565041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251565 + ... + 253546.

It is an arithmetic number, because the mean of its divisors is an integer number (125267776).

Almost surely, 2^500565001 is an apocalyptic number.

It is an amenable number.

500565001 is a deficient number, since it is larger than the sum of its proper divisors (506103).

500565001 is an equidigital number, since it uses as much as digits as its factorization.

500565001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506102.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 500565001 is about 22373.3100143899. The cubic root of 500565001 is about 793.9993745065. Note that the first 3 decimals are identical.

The spelling of 500565001 in words is "five hundred million, five hundred sixty-five thousand, one".