512063869 has 2 divisors, whose sum is σ = 512063870. Its totient is φ = 512063868.

The previous prime is 512063863. The next prime is 512063887. The reversal of 512063869 is 968360215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423948100 + 88115769 = 20590^2 + 9387^2 .

It is a cyclic number.

It is not a de Polignac number, because 512063869 - 2³ = 512063861 is a prime.

It is a super-2 number, since 2×512063869² = 524418811870498322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512063861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256031934 + 256031935.

It is an arithmetic number, because the mean of its divisors is an integer number (256031935).

Almost surely, 2^512063869 is an apocalyptic number.

It is an amenable number.

512063869 is a deficient number, since it is larger than the sum of its proper divisors (1).

512063869 is an equidigital number, since it uses as much as digits as its factorization.

512063869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 512063869 is about 22628.8282728028. The cubic root of 512063869 is about 800.0332637211.

The spelling of 512063869 in words is "five hundred twelve million, sixty-three thousand, eight hundred sixty-nine".