512096749 has 2 divisors, whose sum is σ = 512096750. Its totient is φ = 512096748.

The previous prime is 512096731. The next prime is 512096777. The reversal of 512096749 is 947690215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403728649 + 108368100 = 20093^2 + 10410^2 .

It is a cyclic number.

It is not a de Polignac number, because 512096749 - 2⁷ = 512096621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512096149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256048374 + 256048375.

It is an arithmetic number, because the mean of its divisors is an integer number (256048375).

Almost surely, 2^512096749 is an apocalyptic number.

It is an amenable number.

512096749 is a deficient number, since it is larger than the sum of its proper divisors (1).

512096749 is an equidigital number, since it uses as much as digits as its factorization.

512096749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 512096749 is about 22629.5547680461. The cubic root of 512096749 is about 800.0503869305.

The spelling of 512096749 in words is "five hundred twelve million, ninety-six thousand, seven hundred forty-nine".