504400601 has 2 divisors, whose sum is σ = 504400602. Its totient is φ = 504400600.

The previous prime is 504400571. The next prime is 504400607. The reversal of 504400601 is 106004405.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357966400 + 146434201 = 18920^2 + 12101^2 .

It is a cyclic number.

It is not a de Polignac number, because 504400601 - 2⁶ = 504400537 is a prime.

It is a super-2 number, since 2×504400601² = 508839932578322402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (504400607) 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 as a sum of consecutive naturals, namely, 252200300 + 252200301.

It is an arithmetic number, because the mean of its divisors is an integer number (252200301).

Almost surely, 2^504400601 is an apocalyptic number.

It is an amenable number.

504400601 is a deficient number, since it is larger than the sum of its proper divisors (1).

504400601 is an equidigital number, since it uses as much as digits as its factorization.

504400601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 504400601 is about 22458.8646418291. The cubic root of 504400601 is about 796.0222341920.

The spelling of 504400601 in words is "five hundred four million, four hundred thousand, six hundred one".