212543513 has 16 divisors (see below), whose sum is σ = 262152576. Its totient is φ = 167806080.

The previous prime is 212543509. The next prime is 212543521. The reversal of 212543513 is 315345212.

It is a happy number.

It is not a de Polignac number, because 212543513 - 2² = 212543509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212543593) 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, 45170 + ... + 49652.

It is an arithmetic number, because the mean of its divisors is an integer number (16384536).

Almost surely, 2^212543513 is an apocalyptic number.

It is an amenable number.

212543513 is a deficient number, since it is larger than the sum of its proper divisors (49609063).

212543513 is a wasteful number, since it uses less digits than its factorization.

212543513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its digits is 3600, while the sum is 26.

The square root of 212543513 is about 14578.8721443053. The cubic root of 212543513 is about 596.7823241910.

Adding to 212543513 its reverse (315345212), we get a palindrome (527888725).

The spelling of 212543513 in words is "two hundred twelve million, five hundred forty-three thousand, five hundred thirteen".