511023353420297 has 2 divisors, whose sum is σ = 511023353420298. Its totient is φ = 511023353420296.

The previous prime is 511023353420171. The next prime is 511023353420309. The reversal of 511023353420297 is 792024353320115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341580960284281 + 169442393136016 = 18481909^2 + 13017004^2 .

It is a cyclic number.

It is not a de Polignac number, because 511023353420297 - 2³⁰ = 511022279678473 is a prime.

It is a super-2 number, since 2×511023353420297² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511023353426297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255511676710148 + 255511676710149.

It is an arithmetic number, because the mean of its divisors is an integer number (255511676710149).

Almost surely, 2^{511023353420297} is an apocalyptic number.

It is an amenable number.

511023353420297 is a deficient number, since it is larger than the sum of its proper divisors (1).

511023353420297 is an equidigital number, since it uses as much as digits as its factorization.

511023353420297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 511023353420297 in words is "five hundred eleven trillion, twenty-three billion, three hundred fifty-three million, four hundred twenty thousand, two hundred ninety-seven".