512125663 has 8 divisors (see below), whose sum is σ = 619715232. Its totient is φ = 413143296.

The previous prime is 512125661. The next prime is 512125717. The reversal of 512125663 is 366521215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512125663 - 2¹ = 512125661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512125661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151670 + ... + 2151907.

It is an arithmetic number, because the mean of its divisors is an integer number (77464404).

Almost surely, 2^512125663 is an apocalyptic number.

512125663 is a deficient number, since it is larger than the sum of its proper divisors (107589569).

512125663 is a wasteful number, since it uses less digits than its factorization.

512125663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303601.

The product of its digits is 10800, while the sum is 31.

The square root of 512125663 is about 22630.1936138425. The cubic root of 512125663 is about 800.0654441254.

Adding to 512125663 its reverse (366521215), we get a palindrome (878646878).

The spelling of 512125663 in words is "five hundred twelve million, one hundred twenty-five thousand, six hundred sixty-three".