512220523 has 8 divisors (see below), whose sum is σ = 553891392. Its totient is φ = 471831936.

The previous prime is 512220521. The next prime is 512220551. The reversal of 512220523 is 325022215.

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 512220523 - 2¹ = 512220521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512220494 and 512220503.

It is not an unprimeable number, because it can be changed into a prime (512220521) 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 in 7 ways as a sum of consecutive naturals, for example, 319740 + ... + 321337.

It is an arithmetic number, because the mean of its divisors is an integer number (69236424).

Almost surely, 2^512220523 is an apocalyptic number.

512220523 is a deficient number, since it is larger than the sum of its proper divisors (41670869).

512220523 is a wasteful number, since it uses less digits than its factorization.

512220523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641141.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 512220523 is about 22632.2893892774. The cubic root of 512220523 is about 800.1148392433.

Adding to 512220523 its reverse (325022215), we get a palindrome (837242738).

The spelling of 512220523 in words is "five hundred twelve million, two hundred twenty thousand, five hundred twenty-three".