504404101 has 4 divisors (see below), whose sum is σ = 504450400. Its totient is φ = 504357804.

The previous prime is 504404071. The next prime is 504404107. The reversal of 504404101 is 101404405.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504404101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504404107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3160 + ... + 31918.

It is an arithmetic number, because the mean of its divisors is an integer number (126112600).

Almost surely, 2^504404101 is an apocalyptic number.

It is an amenable number.

504404101 is a deficient number, since it is larger than the sum of its proper divisors (46299).

504404101 is a wasteful number, since it uses less digits than its factorization.

504404101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46298.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 504404101 is about 22458.9425619284. The cubic root of 504404101 is about 796.0240753684.

Adding to 504404101 its reverse (101404405), we get a palindrome (605808506).

The spelling of 504404101 in words is "five hundred four million, four hundred four thousand, one hundred one".