213115027 has 4 divisors (see below), whose sum is σ = 213374800. Its totient is φ = 212855256.

The previous prime is 213115013. The next prime is 213115031. The reversal of 213115027 is 720511312.

It is a happy number.

213115027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213115027 - 2²³ = 204726419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213114989 and 213115007.

It is not an unprimeable number, because it can be changed into a prime (213115087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128652 + ... + 130297.

It is an arithmetic number, because the mean of its divisors is an integer number (53343700).

Almost surely, 2^213115027 is an apocalyptic number.

213115027 is a deficient number, since it is larger than the sum of its proper divisors (259773).

213115027 is an equidigital number, since it uses as much as digits as its factorization.

213115027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259772.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 213115027 is about 14598.4597475213. The cubic root of 213115027 is about 597.3167468459.

Adding to 213115027 its reverse (720511312), we get a palindrome (933626339).

The spelling of 213115027 in words is "two hundred thirteen million, one hundred fifteen thousand, twenty-seven".