1000249 has 2 divisors, whose sum is σ = 1000250. Its totient is φ = 1000248.

The previous prime is 1000231. The next prime is 1000253. The reversal of 1000249 is 9420001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 308025 = 832^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000249 - 2⁷ = 1000121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000289) 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, 500124 + 500125.

It is an arithmetic number, because the mean of its divisors is an integer number (500125).

2^1000249 is an apocalyptic number.

It is an amenable number.

1000249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000249 is an equidigital number, since it uses as much as digits as its factorization.

1000249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1000249 is about 1000.1244922508. The cubic root of 1000249 is about 100.0082993112.

The spelling of 1000249 in words is "one million, two hundred forty-nine", and thus it is an aban number.