511006234997 has 2 divisors, whose sum is σ = 511006234998. Its totient is φ = 511006234996.

The previous prime is 511006234967. The next prime is 511006235059. The reversal of 511006234997 is 799432600115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507914207761 + 3092027236 = 712681^2 + 55606^2 .

It is a cyclic number.

It is not a de Polignac number, because 511006234997 - 2¹⁸ = 511005972853 is a prime.

It is a super-2 number, since 2×511006234997² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511006234967) 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, 255503117498 + 255503117499.

It is an arithmetic number, because the mean of its divisors is an integer number (255503117499).

Almost surely, 2^511006234997 is an apocalyptic number.

It is an amenable number.

511006234997 is a deficient number, since it is larger than the sum of its proper divisors (1).

511006234997 is an equidigital number, since it uses as much as digits as its factorization.

511006234997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 511006234997 in words is "five hundred eleven billion, six million, two hundred thirty-four thousand, nine hundred ninety-seven".