253278328 has 8 divisors (see below), whose sum is σ = 474896880. Its totient is φ = 126639160.

The previous prime is 253278301. The next prime is 253278329. The reversal of 253278328 is 823872352.

253278328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×253278328² = 128299822868951168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253278329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15829888 + ... + 15829903.

It is an arithmetic number, because the mean of its divisors is an integer number (59362110).

Almost surely, 2^253278328 is an apocalyptic number.

It is an amenable number.

253278328 is a deficient number, since it is larger than the sum of its proper divisors (221618552).

253278328 is a wasteful number, since it uses less digits than its factorization.

253278328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31659797 (or 31659793 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 253278328 is about 15914.7204813657. The cubic root of 253278328 is about 632.7021984733.

The spelling of 253278328 in words is "two hundred fifty-three million, two hundred seventy-eight thousand, three hundred twenty-eight".