212533315 has 12 divisors (see below), whose sum is σ = 264142944. Its totient is φ = 164160416.

The previous prime is 212533309. The next prime is 212533327. The reversal of 212533315 is 513335212.

It is a de Polignac number, because none of the positive numbers 2^k-212533315 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212533315.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21067 + ... + 29476.

It is an arithmetic number, because the mean of its divisors is an integer number (22011912).

Almost surely, 2^212533315 is an apocalyptic number.

212533315 is a deficient number, since it is larger than the sum of its proper divisors (51609629).

212533315 is an equidigital number, since it uses as much as digits as its factorization.

212533315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50606 (or 50577 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 212533315 is about 14578.5223874026. The cubic root of 212533315 is about 596.7727793479.

Adding to 212533315 its reverse (513335212), we get a palindrome (725868527).

The spelling of 212533315 in words is "two hundred twelve million, five hundred thirty-three thousand, three hundred fifteen".