512804215 has 16 divisors (see below), whose sum is σ = 767208960. Its totient is φ = 319669920.

The previous prime is 512804213. The next prime is 512804239. The reversal of 512804215 is 512408215.

It is not a de Polignac number, because 512804215 - 2¹ = 512804213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512804213) 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, 665595 + ... + 666364.

It is an arithmetic number, because the mean of its divisors is an integer number (47950560).

Almost surely, 2^512804215 is an apocalyptic number.

512804215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

512804215 is a deficient number, since it is larger than the sum of its proper divisors (254404745).

512804215 is a wasteful number, since it uses less digits than its factorization.

512804215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331982.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 512804215 is about 22645.1808338993. The cubic root of 512804215 is about 800.4186428636.

The spelling of 512804215 in words is "five hundred twelve million, eight hundred four thousand, two hundred fifteen".