249674933 has 2 divisors, whose sum is σ = 249674934. Its totient is φ = 249674932.

The previous prime is 249674921. The next prime is 249674983. The reversal of 249674933 is 339476942.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134606404 + 115068529 = 11602^2 + 10727^2 .

It is a cyclic number.

It is not a de Polignac number, because 249674933 - 2¹⁶ = 249609397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249674983) 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, 124837466 + 124837467.

It is an arithmetic number, because the mean of its divisors is an integer number (124837467).

Almost surely, 2^249674933 is an apocalyptic number.

It is an amenable number.

249674933 is a deficient number, since it is larger than the sum of its proper divisors (1).

249674933 is an equidigital number, since it uses as much as digits as its factorization.

249674933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 47.

The square root of 249674933 is about 15801.1054360130. The cubic root of 249674933 is about 629.6873673499.

The spelling of 249674933 in words is "two hundred forty-nine million, six hundred seventy-four thousand, nine hundred thirty-three".