253671648 has 48 divisors (see below), whose sum is σ = 675843840. Its totient is φ = 83293056.

The previous prime is 253671647. The next prime is 253671659. The reversal of 253671648 is 846176352.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253671647) 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, 13288 + ... + 26151.

It is an arithmetic number, because the mean of its divisors is an integer number (14080080).

Almost surely, 2^253671648 is an apocalyptic number.

It is an amenable number.

253671648 is an abundant number, since it is smaller than the sum of its proper divisors (422172192).

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

253671648 is a wasteful number, since it uses less digits than its factorization.

253671648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39519 (or 39511 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 253671648 is about 15927.0728007377. The cubic root of 253671648 is about 633.0295402360.

The spelling of 253671648 in words is "two hundred fifty-three million, six hundred seventy-one thousand, six hundred forty-eight".