512204761 has 2 divisors, whose sum is σ = 512204762. Its totient is φ = 512204760.

The previous prime is 512204743. The next prime is 512204767. The reversal of 512204761 is 167402215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435974400 + 76230361 = 20880^2 + 8731^2 .

It is a cyclic number.

It is not a de Polignac number, because 512204761 - 2¹⁷ = 512073689 is a prime.

It is not a weakly prime, because it can be changed into another prime (512204767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256102380 + 256102381.

It is an arithmetic number, because the mean of its divisors is an integer number (256102381).

Almost surely, 2^512204761 is an apocalyptic number.

It is an amenable number.

512204761 is a deficient number, since it is larger than the sum of its proper divisors (1).

512204761 is an equidigital number, since it uses as much as digits as its factorization.

512204761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 512204761 is about 22631.9411672972. The cubic root of 512204761 is about 800.1066321405.

Adding to 512204761 its reverse (167402215), we get a palindrome (679606976).

The spelling of 512204761 in words is "five hundred twelve million, two hundred four thousand, seven hundred sixty-one".