512250828 has 12 divisors (see below), whose sum is σ = 1195251960. Its totient is φ = 170750272.

The previous prime is 512250821. The next prime is 512250839. The reversal of 512250828 is 828052215.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (512250821) 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, 21343773 + ... + 21343796.

It is an arithmetic number, because the mean of its divisors is an integer number (99604330).

Almost surely, 2^512250828 is an apocalyptic number.

It is an amenable number.

512250828 is an abundant number, since it is smaller than the sum of its proper divisors (683001132).

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

512250828 is a wasteful number, since it uses less digits than its factorization.

512250828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42687576 (or 42687574 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 512250828 is about 22632.9588874279. The cubic root of 512250828 is about 800.1306182558.

The spelling of 512250828 in words is "five hundred twelve million, two hundred fifty thousand, eight hundred twenty-eight".