253200244 has 36 divisors (see below), whose sum is σ = 515710692. Its totient is φ = 108317440.

The previous prime is 253200229. The next prime is 253200301. The reversal of 253200244 is 442002352.

It can be written as a sum of positive squares in 2 ways, for example, as 104652900 + 148547344 = 10230^2 + 12188^2 .

It is a super-2 number, since 2×253200244² = 128220727123319072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7159 + ... + 23614.

It is an arithmetic number, because the mean of its divisors is an integer number (14325297).

Almost surely, 2^253200244 is an apocalyptic number.

It is an amenable number.

253200244 is an abundant number, since it is smaller than the sum of its proper divisors (262510448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253200244 is a wasteful number, since it uses less digits than its factorization.

253200244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30816 (or 30803 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 253200244 is about 15912.2670917755. The cubic root of 253200244 is about 632.6371725172.

Adding to 253200244 its reverse (442002352), we get a palindrome (695202596).

The spelling of 253200244 in words is "two hundred fifty-three million, two hundred thousand, two hundred forty-four".