512063813 has 4 divisors (see below), whose sum is σ = 539014560. Its totient is φ = 485113068.

The previous prime is 512063807. The next prime is 512063819. The reversal of 512063813 is 318360215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (512063807) and next prime (512063819).

It is a cyclic number.

It is not a de Polignac number, because 512063813 - 2²⁰ = 511015237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512063819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13475345 + ... + 13475382.

It is an arithmetic number, because the mean of its divisors is an integer number (134753640).

Almost surely, 2^512063813 is an apocalyptic number.

It is an amenable number.

512063813 is a deficient number, since it is larger than the sum of its proper divisors (26950747).

512063813 is a wasteful number, since it uses less digits than its factorization.

512063813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26950746.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 512063813 is about 22628.8270354431. The cubic root of 512063813 is about 800.0332345568.

The spelling of 512063813 in words is "five hundred twelve million, sixty-three thousand, eight hundred thirteen".