504280369 has 2 divisors, whose sum is σ = 504280370. Its totient is φ = 504280368.

The previous prime is 504280339. The next prime is 504280421. The reversal of 504280369 is 963082405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426629025 + 77651344 = 20655^2 + 8812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504280369 is a prime.

It is a super-2 number, since 2×504280369² = 508597381117552322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (504280339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252140184 + 252140185.

It is an arithmetic number, because the mean of its divisors is an integer number (252140185).

Almost surely, 2^504280369 is an apocalyptic number.

It is an amenable number.

504280369 is a deficient number, since it is larger than the sum of its proper divisors (1).

504280369 is an equidigital number, since it uses as much as digits as its factorization.

504280369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 504280369 is about 22456.1877664042. The cubic root of 504280369 is about 795.9589809296.

The spelling of 504280369 in words is "five hundred four million, two hundred eighty thousand, three hundred sixty-nine".