249994037 has 2 divisors, whose sum is σ = 249994038. Its totient is φ = 249994036.

The previous prime is 249994009. The next prime is 249994049. The reversal of 249994037 is 730499942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144336196 + 105657841 = 12014^2 + 10279^2 .

It is a cyclic number.

It is not a de Polignac number, because 249994037 - 2⁸ = 249993781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249993982 and 249994000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249994067) 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, 124997018 + 124997019.

It is an arithmetic number, because the mean of its divisors is an integer number (124997019).

Almost surely, 2^249994037 is an apocalyptic number.

It is an amenable number.

249994037 is a deficient number, since it is larger than the sum of its proper divisors (1).

249994037 is an equidigital number, since it uses as much as digits as its factorization.

249994037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 249994037 is about 15811.1997331006. The cubic root of 249994037 is about 629.9555163015.

The spelling of 249994037 in words is "two hundred forty-nine million, nine hundred ninety-four thousand, thirty-seven".