253068489 has 8 divisors (see below), whose sum is σ = 374916320. Its totient is φ = 168712308.

The previous prime is 253068463. The next prime is 253068509. The reversal of 253068489 is 984860352.

It is not a de Polignac number, because 253068489 - 2²⁴ = 236291273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253068449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4686427 + ... + 4686480.

It is an arithmetic number, because the mean of its divisors is an integer number (46864540).

Almost surely, 2^253068489 is an apocalyptic number.

It is an amenable number.

253068489 is a deficient number, since it is larger than the sum of its proper divisors (121847831).

253068489 is an equidigital number, since it uses as much as digits as its factorization.

253068489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372916 (or 9372910 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 253068489 is about 15908.1265081719. The cubic root of 253068489 is about 632.5274206842.

The spelling of 253068489 in words is "two hundred fifty-three million, sixty-eight thousand, four hundred eighty-nine".