249934049 has 2 divisors, whose sum is σ = 249934050. Its totient is φ = 249934048.

The previous prime is 249934039. The next prime is 249934063. The reversal of 249934049 is 940439942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144769024 + 105165025 = 12032^2 + 10255^2 .

It is a cyclic number.

It is not a de Polignac number, because 249934049 - 2¹⁶ = 249868513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (249934039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124967024 + 124967025.

It is an arithmetic number, because the mean of its divisors is an integer number (124967025).

Almost surely, 2^249934049 is an apocalyptic number.

It is an amenable number.

249934049 is a deficient number, since it is larger than the sum of its proper divisors (1).

249934049 is an equidigital number, since it uses as much as digits as its factorization.

249934049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 249934049 is about 15809.3026095397. The cubic root of 249934049 is about 629.9051247068.

The spelling of 249934049 in words is "two hundred forty-nine million, nine hundred thirty-four thousand, forty-nine".