253278208 has 96 divisors (see below), whose sum is σ = 558230400. Its totient is φ = 114352128.

The previous prime is 253278203. The next prime is 253278211. The reversal of 253278208 is 802872352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253278203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894835 + ... + 895117.

It is an arithmetic number, because the mean of its divisors is an integer number (5814900).

Almost surely, 2^253278208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253278208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279115200).

253278208 is an abundant number, since it is smaller than the sum of its proper divisors (304952192).

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

253278208 is a wasteful number, since it uses less digits than its factorization.

253278208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 253278208 is about 15914.7167112707. The cubic root of 253278208 is about 632.7020985512.

The spelling of 253278208 in words is "two hundred fifty-three million, two hundred seventy-eight thousand, two hundred eight".