213606512 has 40 divisors (see below), whose sum is σ = 497884800. Its totient is φ = 86726592.

The previous prime is 213606487. The next prime is 213606521. The reversal of 213606512 is 215606312.

It is a super-2 number, since 2×213606512² = 91255483937612288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48062 + ... + 52317.

It is an arithmetic number, because the mean of its divisors is an integer number (12447120).

Almost surely, 2^213606512 is an apocalyptic number.

It is an amenable number.

213606512 is an abundant number, since it is smaller than the sum of its proper divisors (284278288).

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

213606512 is a wasteful number, since it uses less digits than its factorization.

213606512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100413 (or 100407 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 213606512 is about 14615.2835073426. The cubic root of 213606512 is about 597.7755707899.

It can be divided in two parts, 21360 and 6512, that added together give a palindrome (27872).

The spelling of 213606512 in words is "two hundred thirteen million, six hundred six thousand, five hundred twelve".