253798249 has 2 divisors, whose sum is σ = 253798250. Its totient is φ = 253798248.

The previous prime is 253798243. The next prime is 253798267. The reversal of 253798249 is 942897352.

253798249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143233024 + 110565225 = 11968^2 + 10515^2 .

It is a cyclic number.

It is not a de Polignac number, because 253798249 - 2⁵ = 253798217 is a prime.

It is not a weakly prime, because it can be changed into another prime (253798243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126899124 + 126899125.

It is an arithmetic number, because the mean of its divisors is an integer number (126899125).

Almost surely, 2^253798249 is an apocalyptic number.

It is an amenable number.

253798249 is a deficient number, since it is larger than the sum of its proper divisors (1).

253798249 is an equidigital number, since it uses as much as digits as its factorization.

253798249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 253798249 is about 15931.0467013313. The cubic root of 253798249 is about 633.1348323132.

The spelling of 253798249 in words is "two hundred fifty-three million, seven hundred ninety-eight thousand, two hundred forty-nine".