512225020305413 has 2 divisors, whose sum is σ = 512225020305414. Its totient is φ = 512225020305412.

The previous prime is 512225020305367. The next prime is 512225020305433. The reversal of 512225020305413 is 314503020522215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329980231268164 + 182244789037249 = 18165358^2 + 13499807^2 .

It is a cyclic number.

It is not a de Polignac number, because 512225020305413 - 2⁸ = 512225020305157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512225020305433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256112510152706 + 256112510152707.

It is an arithmetic number, because the mean of its divisors is an integer number (256112510152707).

Almost surely, 2^{512225020305413} is an apocalyptic number.

It is an amenable number.

512225020305413 is a deficient number, since it is larger than the sum of its proper divisors (1).

512225020305413 is an equidigital number, since it uses as much as digits as its factorization.

512225020305413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 512225020305413 its reverse (314503020522215), we get a palindrome (826728040827628).

The spelling of 512225020305413 in words is "five hundred twelve trillion, two hundred twenty-five billion, twenty million, three hundred five thousand, four hundred thirteen".