213255115 has 8 divisors (see below), whose sum is σ = 256818528. Its totient is φ = 169995840.

The previous prime is 213255113. The next prime is 213255127. The reversal of 213255115 is 511552312.

213255115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213255115 - 2¹ = 213255113 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 213255115.

It is not an unprimeable number, because it can be changed into a prime (213255113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74487 + ... + 77296.

It is an arithmetic number, because the mean of its divisors is an integer number (32102316).

Almost surely, 2^213255115 is an apocalyptic number.

213255115 is a deficient number, since it is larger than the sum of its proper divisors (43563413).

213255115 is a wasteful number, since it uses less digits than its factorization.

213255115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152069.

The product of its digits is 1500, while the sum is 25.

The square root of 213255115 is about 14603.2569997244. The cubic root of 213255115 is about 597.4475972786.

The spelling of 213255115 in words is "two hundred thirteen million, two hundred fifty-five thousand, one hundred fifteen".