2150849 has 2 divisors, whose sum is σ = 2150850. Its totient is φ = 2150848.

The previous prime is 2150839. The next prime is 2150867. The reversal of 2150849 is 9480512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 4624 = 1465^2 + 68^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2150809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075424 + 1075425.

It is an arithmetic number, because the mean of its divisors is an integer number (1075425).

2^2150849 is an apocalyptic number.

It is an amenable number.

2150849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150849 is an equidigital number, since it uses as much as digits as its factorization.

2150849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2150849 is about 1466.5773078839. The cubic root of 2150849 is about 129.0832745571.

The spelling of 2150849 in words is "two million, one hundred fifty thousand, eight hundred forty-nine".