2164252027 has 4 divisors (see below), whose sum is σ = 2473430896. Its totient is φ = 1855073160.

The previous prime is 2164252021. The next prime is 2164252037. The reversal of 2164252027 is 7202524612.

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 2164252027 - 2⁷ = 2164251899 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 2164252027.

It is not an unprimeable number, because it can be changed into a prime (2164252021) 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, 154589424 + ... + 154589437.

It is an arithmetic number, because the mean of its divisors is an integer number (618357724).

Almost surely, 2^2164252027 is an apocalyptic number.

2164252027 is a deficient number, since it is larger than the sum of its proper divisors (309178869).

2164252027 is an equidigital number, since it uses as much as digits as its factorization.

2164252027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309178868.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2164252027 is about 46521.5221913471. The cubic root of 2164252027 is about 1293.5084723512.

Adding to 2164252027 its reverse (7202524612), we get a palindrome (9366776639).

The spelling of 2164252027 in words is "two billion, one hundred sixty-four million, two hundred fifty-two thousand, twenty-seven".