512469321 has 16 divisors (see below), whose sum is σ = 840975744. Its totient is φ = 270313344.

The previous prime is 512469319. The next prime is 512469323. The reversal of 512469321 is 123964215.

It is an interprime number because it is at equal distance from previous prime (512469319) and next prime (512469323).

It is not a de Polignac number, because 512469321 - 2¹ = 512469319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (512469323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938316 + ... + 938861.

It is an arithmetic number, because the mean of its divisors is an integer number (52560984).

Almost surely, 2^512469321 is an apocalyptic number.

It is an amenable number.

512469321 is a deficient number, since it is larger than the sum of its proper divisors (328506423).

512469321 is a wasteful number, since it uses less digits than its factorization.

512469321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877200.

The product of its digits is 12960, while the sum is 33.

The square root of 512469321 is about 22637.7852494452. The cubic root of 512469321 is about 800.2443633714.

The spelling of 512469321 in words is "five hundred twelve million, four hundred sixty-nine thousand, three hundred twenty-one".