512405452 has 96 divisors (see below), whose sum is σ = 1061786880. Its totient is φ = 214306560.

The previous prime is 512405447. The next prime is 512405513. The reversal of 512405452 is 254504215.

It is a self number, because there is not a number n which added to its sum of digits gives 512405452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3911427 + ... + 3911557.

It is an arithmetic number, because the mean of its divisors is an integer number (11060280).

Almost surely, 2^512405452 is an apocalyptic number.

512405452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

512405452 is an abundant number, since it is smaller than the sum of its proper divisors (549381428).

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

512405452 is a wasteful number, since it uses less digits than its factorization.

512405452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 512405452 is about 22636.3745330386. The cubic root of 512405452 is about 800.2111171987.

Adding to 512405452 its reverse (254504215), we get a palindrome (766909667).

The spelling of 512405452 in words is "five hundred twelve million, four hundred five thousand, four hundred fifty-two".