253543244 has 12 divisors (see below), whose sum is σ = 443848944. Its totient is φ = 126729264.

The previous prime is 253543223. The next prime is 253543247. The reversal of 253543244 is 442345352.

253543244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253543244.

It is not an unprimeable number, because it can be changed into a prime (253543247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5642 + ... + 23214.

It is an arithmetic number, because the mean of its divisors is an integer number (36987412).

Almost surely, 2^253543244 is an apocalyptic number.

It is an amenable number.

253543244 is a deficient number, since it is larger than the sum of its proper divisors (190305700).

253543244 is a wasteful number, since it uses less digits than its factorization.

253543244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21184 (or 21182 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 253543244 is about 15923.0412924165. The cubic root of 253543244 is about 632.9227128414.

Adding to 253543244 its reverse (442345352), we get a palindrome (695888596).

The spelling of 253543244 in words is "two hundred fifty-three million, five hundred forty-three thousand, two hundred forty-four".