512505533 has 2 divisors, whose sum is σ = 512505534. Its totient is φ = 512505532.

The previous prime is 512505529. The next prime is 512505541. The reversal of 512505533 is 335505215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424483609 + 88021924 = 20603^2 + 9382^2 .

It is a cyclic number.

It is not a de Polignac number, because 512505533 - 2² = 512505529 is a prime.

It is a super-2 number, since 2×512505533² = 525323842711228178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512505496 and 512505505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512505583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256252766 + 256252767.

It is an arithmetic number, because the mean of its divisors is an integer number (256252767).

Almost surely, 2^512505533 is an apocalyptic number.

It is an amenable number.

512505533 is a deficient number, since it is larger than the sum of its proper divisors (1).

512505533 is an equidigital number, since it uses as much as digits as its factorization.

512505533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 512505533 is about 22638.5850485405. The cubic root of 512505533 is about 800.2632118274.

The spelling of 512505533 in words is "five hundred twelve million, five hundred five thousand, five hundred thirty-three".