253487648 has 12 divisors (see below), whose sum is σ = 499053870. Its totient is φ = 126743808.

The previous prime is 253487627. The next prime is 253487653. The reversal of 253487648 is 846784352.

253487648 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 only one way, i.e., 164147344 + 89340304 = 12812^2 + 9452^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3960713 + ... + 3960776.

Almost surely, 2^253487648 is an apocalyptic number.

It is an amenable number.

253487648 is a deficient number, since it is larger than the sum of its proper divisors (245566222).

253487648 is an equidigital number, since it uses as much as digits as its factorization.

253487648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7921499 (or 7921491 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The square root of 253487648 is about 15921.2954246820. The cubic root of 253487648 is about 632.8764478298.

The spelling of 253487648 in words is "two hundred fifty-three million, four hundred eighty-seven thousand, six hundred forty-eight".