2152669 has 2 divisors, whose sum is σ = 2152670. Its totient is φ = 2152668.

The previous prime is 2152663. The next prime is 2152679. The reversal of 2152669 is 9662512.

2152669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 289444 = 1365^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152669 - 2⁵ = 2152637 is a prime.

It is a super-2 number, since 2×2152669² = 9267967647122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2152669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076334 + 1076335.

It is an arithmetic number, because the mean of its divisors is an integer number (1076335).

2^2152669 is an apocalyptic number.

It is an amenable number.

2152669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152669 is an equidigital number, since it uses as much as digits as its factorization.

2152669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2152669 is about 1467.1976690276. The cubic root of 2152669 is about 129.1196734126.

The spelling of 2152669 in words is "two million, one hundred fifty-two thousand, six hundred sixty-nine".