253350728 has 32 divisors (see below), whose sum is σ = 520327800. Its totient is φ = 115110912.

The previous prime is 253350707. The next prime is 253350733. The reversal of 253350728 is 827053352.

253350728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 251603044 + 1747684 = 15862^2 + 1322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28175 + ... + 36062.

Almost surely, 2^253350728 is an apocalyptic number.

It is an amenable number.

253350728 is an abundant number, since it is smaller than the sum of its proper divisors (266977072).

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

253350728 is a wasteful number, since it uses less digits than its factorization.

253350728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64289 (or 64285 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 253350728 is about 15916.9949425135. The cubic root of 253350728 is about 632.7624790291.

The spelling of 253350728 in words is "two hundred fifty-three million, three hundred fifty thousand, seven hundred twenty-eight".