512215 has 16 divisors (see below), whose sum is σ = 685440. Its totient is φ = 364320.

The previous prime is 512207. The next prime is 512249.

512215 is nontrivially palindromic in base 10 and base 16.

It is not a de Polignac number, because 512215 - 2³ = 512207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3616 + ... + 3754.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2⁵¹²²¹⁵ is an apocalyptic number.

512215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

512215 is a deficient number, since it is larger than the sum of its proper divisors (173225).

512215 is a wasteful number, since it uses less digits than its factorization.

512215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its digits is 100, while the sum is 16.

The square root of 512215 is about 715.6919728487. The cubic root of 512215 is about 80.0111963496.

It can be divided in two parts, 512 and 215, that added together give a palindrome (727).

The spelling of 512215 in words is "five hundred twelve thousand, two hundred fifteen".