253438244 has 12 divisors (see below), whose sum is σ = 469606284. Its totient is φ = 119265024.

The previous prime is 253438231. The next prime is 253438267. The reversal of 253438244 is 442834352.

It can be written as a sum of positive squares in 2 ways, for example, as 217916644 + 35521600 = 14762^2 + 5960^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1863449 + ... + 1863584.

It is an arithmetic number, because the mean of its divisors is an integer number (39133857).

Almost surely, 2^253438244 is an apocalyptic number.

It is an amenable number.

253438244 is a deficient number, since it is larger than the sum of its proper divisors (216168040).

253438244 is a wasteful number, since it uses less digits than its factorization.

253438244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727054 (or 3727052 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 253438244 is about 15919.7438421603. The cubic root of 253438244 is about 632.8353299032.

The spelling of 253438244 in words is "two hundred fifty-three million, four hundred thirty-eight thousand, two hundred forty-four".