2152849 has 2 divisors, whose sum is σ = 2152850. Its totient is φ = 2152848.

The previous prime is 2152847. The next prime is 2152861. The reversal of 2152849 is 9482512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1306449 + 846400 = 1143^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152849 - 2¹ = 2152847 is a prime.

Together with 2152847, it forms a pair of twin primes.

2152849 is a lucky number.

It is equal to p₁₅₉₄₄₈ and since 2152849 and 159448 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2152849.

It is not a weakly prime, because it can be changed into another prime (2152841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076424 + 1076425.

It is an arithmetic number, because the mean of its divisors is an integer number (1076425).

2^2152849 is an apocalyptic number.

It is an amenable number.

2152849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152849 is an equidigital number, since it uses as much as digits as its factorization.

2152849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 2152849 is about 1467.2590091732. The cubic root of 2152849 is about 129.1232721844.

The spelling of 2152849 in words is "two million, one hundred fifty-two thousand, eight hundred forty-nine".