512645432 has 32 divisors (see below), whose sum is σ = 1041534480. Its totient is φ = 235146240.

The previous prime is 512645431. The next prime is 512645437. The reversal of 512645432 is 234546215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512645431) 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, 1832 + ... + 32072.

Almost surely, 2^512645432 is an apocalyptic number.

512645432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512645432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520767240).

512645432 is an abundant number, since it is smaller than the sum of its proper divisors (528889048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512645432 is a wasteful number, since it uses less digits than its factorization.

512645432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30423 (or 30419 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 512645432 is about 22641.6746730448. The cubic root of 512645432 is about 800.3360213423.

The spelling of 512645432 in words is "five hundred twelve million, six hundred forty-five thousand, four hundred thirty-two".