253534289 has 2 divisors, whose sum is σ = 253534290. Its totient is φ = 253534288.

The previous prime is 253534279. The next prime is 253534297. The reversal of 253534289 is 982435352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215502400 + 38031889 = 14680^2 + 6167^2 .

It is a cyclic number.

It is not a de Polignac number, because 253534289 - 2⁴ = 253534273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253534279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126767144 + 126767145.

It is an arithmetic number, because the mean of its divisors is an integer number (126767145).

Almost surely, 2^253534289 is an apocalyptic number.

It is an amenable number.

253534289 is a deficient number, since it is larger than the sum of its proper divisors (1).

253534289 is an equidigital number, since it uses as much as digits as its factorization.

253534289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The square root of 253534289 is about 15922.7600936521. The cubic root of 253534289 is about 632.9152612663.

The spelling of 253534289 in words is "two hundred fifty-three million, five hundred thirty-four thousand, two hundred eighty-nine".