504143249 has 2 divisors, whose sum is σ = 504143250. Its totient is φ = 504143248.

The previous prime is 504143209. The next prime is 504143267. The reversal of 504143249 is 942341405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254977024 + 249166225 = 15968^2 + 15785^2 .

It is a cyclic number.

It is not a de Polignac number, because 504143249 - 2⁸ = 504142993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (504143209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252071624 + 252071625.

It is an arithmetic number, because the mean of its divisors is an integer number (252071625).

Almost surely, 2^504143249 is an apocalyptic number.

It is an amenable number.

504143249 is a deficient number, since it is larger than the sum of its proper divisors (1).

504143249 is an equidigital number, since it uses as much as digits as its factorization.

504143249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 504143249 is about 22453.1345027816. The cubic root of 504143249 is about 795.8868307291.

The spelling of 504143249 in words is "five hundred four million, one hundred forty-three thousand, two hundred forty-nine".