512321041 has 2 divisors, whose sum is σ = 512321042. Its totient is φ = 512321040.

The previous prime is 512321039. The next prime is 512321053. The reversal of 512321041 is 140123215.

It is the 9241-st star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319694400 + 192626641 = 17880^2 + 13879^2 .

It is a cyclic number.

It is not a de Polignac number, because 512321041 - 2¹ = 512321039 is a prime.

Together with 512321039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (512321011) 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, 256160520 + 256160521.

It is an arithmetic number, because the mean of its divisors is an integer number (256160521).

Almost surely, 2^512321041 is an apocalyptic number.

It is an amenable number.

512321041 is a deficient number, since it is larger than the sum of its proper divisors (1).

512321041 is an equidigital number, since it uses as much as digits as its factorization.

512321041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 512321041 is about 22634.5099571429. The cubic root of 512321041 is about 800.1671739178.

Adding to 512321041 its reverse (140123215), we get a palindrome (652444256).

The spelling of 512321041 in words is "five hundred twelve million, three hundred twenty-one thousand, forty-one".