249005033 has 2 divisors, whose sum is σ = 249005034. Its totient is φ = 249005032.

The previous prime is 249005027. The next prime is 249005041. The reversal of 249005033 is 330500942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233386729 + 15618304 = 15277^2 + 3952^2 .

It is a cyclic number.

It is not a de Polignac number, because 249005033 - 2¹⁰ = 249004009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249004993 and 249005011.

It is not a weakly prime, because it can be changed into another prime (249005093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124502516 + 124502517.

It is an arithmetic number, because the mean of its divisors is an integer number (124502517).

Almost surely, 2^249005033 is an apocalyptic number.

It is an amenable number.

249005033 is a deficient number, since it is larger than the sum of its proper divisors (1).

249005033 is an equidigital number, since it uses as much as digits as its factorization.

249005033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 249005033 is about 15779.8933139613. The cubic root of 249005033 is about 629.1236938931.

Adding to 249005033 its reverse (330500942), we get a palindrome (579505975).

The spelling of 249005033 in words is "two hundred forty-nine million, five thousand, thirty-three".