253022249 has 2 divisors, whose sum is σ = 253022250. Its totient is φ = 253022248.

The previous prime is 253022239. The next prime is 253022257. The reversal of 253022249 is 942220352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229674025 + 23348224 = 15155^2 + 4832^2 .

It is a cyclic number.

It is not a de Polignac number, because 253022249 - 2⁴ = 253022233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253022219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126511124 + 126511125.

It is an arithmetic number, because the mean of its divisors is an integer number (126511125).

Almost surely, 2^253022249 is an apocalyptic number.

It is an amenable number.

253022249 is a deficient number, since it is larger than the sum of its proper divisors (1).

253022249 is an equidigital number, since it uses as much as digits as its factorization.

253022249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 253022249 is about 15906.6730965340. The cubic root of 253022249 is about 632.4888937626.

The spelling of 253022249 in words is "two hundred fifty-three million, twenty-two thousand, two hundred forty-nine".