512434261 has 2 divisors, whose sum is σ = 512434262. Its totient is φ = 512434260.

The previous prime is 512434253. The next prime is 512434289. The reversal of 512434261 is 162434215.

It is an a-pointer prime, because the next prime (512434289) can be obtained adding 512434261 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323784036 + 188650225 = 17994^2 + 13735^2 .

It is a cyclic number.

It is not a de Polignac number, because 512434261 - 2³ = 512434253 is a prime.

It is a super-3 number, since 3×512434261³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512434361) 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, 256217130 + 256217131.

It is an arithmetic number, because the mean of its divisors is an integer number (256217131).

Almost surely, 2^512434261 is an apocalyptic number.

It is an amenable number.

512434261 is a deficient number, since it is larger than the sum of its proper divisors (1).

512434261 is an equidigital number, since it uses as much as digits as its factorization.

512434261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 512434261 is about 22637.0108671618. The cubic root of 512434261 is about 800.2261136889.

Adding to 512434261 its reverse (162434215), we get a palindrome (674868476).

The spelling of 512434261 in words is "five hundred twelve million, four hundred thirty-four thousand, two hundred sixty-one".