504413121 has 16 divisors (see below), whose sum is σ = 730787840. Its totient is φ = 308298960.

The previous prime is 504413111. The next prime is 504413149. The reversal of 504413121 is 121314405.

It is a de Polignac number, because none of the positive numbers 2^k-504413121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (504413111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140965 + ... + 144498.

It is an arithmetic number, because the mean of its divisors is an integer number (45674240).

Almost surely, 2^504413121 is an apocalyptic number.

It is an amenable number.

504413121 is a deficient number, since it is larger than the sum of its proper divisors (226374719).

504413121 is a wasteful number, since it uses less digits than its factorization.

504413121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285516.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 504413121 is about 22459.1433719098. The cubic root of 504413121 is about 796.0288203036.

Adding to 504413121 its reverse (121314405), we get a palindrome (625727526).

The spelling of 504413121 in words is "five hundred four million, four hundred thirteen thousand, one hundred twenty-one".