512265275251 has 2 divisors, whose sum is σ = 512265275252. Its totient is φ = 512265275250.

The previous prime is 512265275239. The next prime is 512265275281. The reversal of 512265275251 is 152572562215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512265275251 - 2³³ = 503675340659 is a prime.

It is a super-2 number, since 2×512265275251² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512265275198 and 512265275207.

It is not a weakly prime, because it can be changed into another prime (512265275281) 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, 256132637625 + 256132637626.

It is an arithmetic number, because the mean of its divisors is an integer number (256132637626).

Almost surely, 2^512265275251 is an apocalyptic number.

512265275251 is a deficient number, since it is larger than the sum of its proper divisors (1).

512265275251 is an equidigital number, since it uses as much as digits as its factorization.

512265275251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 43.

The spelling of 512265275251 in words is "five hundred twelve billion, two hundred sixty-five million, two hundred seventy-five thousand, two hundred fifty-one".