253294289 has 2 divisors, whose sum is σ = 253294290. Its totient is φ = 253294288.

The previous prime is 253294277. The next prime is 253294313. The reversal of 253294289 is 982492352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 4443664 = 15775^2 + 2108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253294289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253294589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126647144 + 126647145.

It is an arithmetic number, because the mean of its divisors is an integer number (126647145).

Almost surely, 2^253294289 is an apocalyptic number.

It is an amenable number.

253294289 is a deficient number, since it is larger than the sum of its proper divisors (1).

253294289 is an equidigital number, since it uses as much as digits as its factorization.

253294289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 253294289 is about 15915.2219274505. The cubic root of 253294289 is about 632.7154886585.

The spelling of 253294289 in words is "two hundred fifty-three million, two hundred ninety-four thousand, two hundred eighty-nine".