504721141 has 2 divisors, whose sum is σ = 504721142. Its totient is φ = 504721140.

The previous prime is 504721127. The next prime is 504721157. The reversal of 504721141 is 141127405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266636241 + 238084900 = 16329^2 + 15430^2 .

It is a cyclic number.

It is not a de Polignac number, because 504721141 - 2¹¹ = 504719093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504721171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252360570 + 252360571.

It is an arithmetic number, because the mean of its divisors is an integer number (252360571).

Almost surely, 2^504721141 is an apocalyptic number.

It is an amenable number.

504721141 is a deficient number, since it is larger than the sum of its proper divisors (1).

504721141 is an equidigital number, since it uses as much as digits as its factorization.

504721141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 504721141 is about 22465.9996661622. Note that the first 3 decimals coincide. The cubic root of 504721141 is about 796.1908190668.

Adding to 504721141 its reverse (141127405), we get a palindrome (645848546).

The spelling of 504721141 in words is "five hundred four million, seven hundred twenty-one thousand, one hundred forty-one".