512302113 has 12 divisors (see below), whose sum is σ = 740648740. Its totient is φ = 341231616.

The previous prime is 512302097. The next prime is 512302169. The reversal of 512302113 is 311203215.

It can be written as a sum of positive squares in 2 ways, for example, as 244390689 + 267911424 = 15633^2 + 16368^2 .

It is not a de Polignac number, because 512302113 - 2⁴ = 512302097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512302183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14308 + ... + 35061.

Almost surely, 2^512302113 is an apocalyptic number.

It is an amenable number.

512302113 is a deficient number, since it is larger than the sum of its proper divisors (228346627).

512302113 is a wasteful number, since it uses less digits than its factorization.

512302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50528 (or 50525 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 512302113 is about 22634.0918306876. The cubic root of 512302113 is about 800.1573195820.

Adding to 512302113 its reverse (311203215), we get a palindrome (823505328).

The spelling of 512302113 in words is "five hundred twelve million, three hundred two thousand, one hundred thirteen".