512414532221 has 2 divisors, whose sum is σ = 512414532222. Its totient is φ = 512414532220.

The previous prime is 512414532029. The next prime is 512414532257. The reversal of 512414532221 is 122235414215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317921184025 + 194493348196 = 563845^2 + 441014^2 .

It is a cyclic number.

It is not a de Polignac number, because 512414532221 - 2²² = 512410337917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512414531221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256207266110 + 256207266111.

It is an arithmetic number, because the mean of its divisors is an integer number (256207266111).

Almost surely, 2^512414532221 is an apocalyptic number.

It is an amenable number.

512414532221 is a deficient number, since it is larger than the sum of its proper divisors (1).

512414532221 is an equidigital number, since it uses as much as digits as its factorization.

512414532221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

Adding to 512414532221 its reverse (122235414215), we get a palindrome (634649946436).

The spelling of 512414532221 in words is "five hundred twelve billion, four hundred fourteen million, five hundred thirty-two thousand, two hundred twenty-one".