512240130401 has 2 divisors, whose sum is σ = 512240130402. Its totient is φ = 512240130400.

The previous prime is 512240130379. The next prime is 512240130433. The reversal of 512240130401 is 104031042215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494855971600 + 17384158801 = 703460^2 + 131849^2 .

It is a cyclic number.

It is not a de Polignac number, because 512240130401 - 2²⁶ = 512173021537 is a prime.

It is not a weakly prime, because it can be changed into another prime (512240130481) 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, 256120065200 + 256120065201.

It is an arithmetic number, because the mean of its divisors is an integer number (256120065201).

Almost surely, 2^512240130401 is an apocalyptic number.

It is an amenable number.

512240130401 is a deficient number, since it is larger than the sum of its proper divisors (1).

512240130401 is an equidigital number, since it uses as much as digits as its factorization.

512240130401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 512240130401 its reverse (104031042215), we get a palindrome (616271172616).

The spelling of 512240130401 in words is "five hundred twelve billion, two hundred forty million, one hundred thirty thousand, four hundred one".