512040797 has 2 divisors, whose sum is σ = 512040798. Its totient is φ = 512040796.

The previous prime is 512040751. The next prime is 512040803. The reversal of 512040797 is 797040215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460574521 + 51466276 = 21461^2 + 7174^2 .

It is a cyclic number.

It is not a de Polignac number, because 512040797 - 2⁸ = 512040541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512030797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256020398 + 256020399.

It is an arithmetic number, because the mean of its divisors is an integer number (256020399).

Almost surely, 2^512040797 is an apocalyptic number.

It is an amenable number.

512040797 is a deficient number, since it is larger than the sum of its proper divisors (1).

512040797 is an equidigital number, since it uses as much as digits as its factorization.

512040797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 512040797 is about 22628.3184748668. The cubic root of 512040797 is about 800.0212478732.

The spelling of 512040797 in words is "five hundred twelve million, forty thousand, seven hundred ninety-seven".