504243001 has 4 divisors (see below), whose sum is σ = 533904372. Its totient is φ = 474581632.

The previous prime is 504242903. The next prime is 504243029. The reversal of 504243001 is 100342405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 303595776 + 200647225 = 17424^2 + 14165^2 .

It is a cyclic number.

It is not a de Polignac number, because 504243001 - 2⁹ = 504242489 is a prime.

It is a super-2 number, since 2×504243001² = 508522008114972002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504243001.

It is not an unprimeable number, because it can be changed into a prime (504243041) 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, 14830660 + ... + 14830693.

It is an arithmetic number, because the mean of its divisors is an integer number (133476093).

Almost surely, 2^504243001 is an apocalyptic number.

It is an amenable number.

504243001 is a deficient number, since it is larger than the sum of its proper divisors (29661371).

504243001 is a wasteful number, since it uses less digits than its factorization.

504243001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29661370.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 504243001 is about 22455.3557308719. The cubic root of 504243001 is about 795.9393198233.

Adding to 504243001 its reverse (100342405), we get a palindrome (604585406).

The spelling of 504243001 in words is "five hundred four million, two hundred forty-three thousand, one".