253821048 has 32 divisors (see below), whose sum is σ = 683365200. Its totient is φ = 78098688.

The previous prime is 253821023. The next prime is 253821049. The reversal of 253821048 is 840128352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253821049) 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, 406453 + ... + 407076.

Almost surely, 2^253821048 is an apocalyptic number.

It is an amenable number.

253821048 is an abundant number, since it is smaller than the sum of its proper divisors (429544152).

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

253821048 is a wasteful number, since it uses less digits than its factorization.

253821048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813551 (or 813547 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 253821048 is about 15931.7622377438. The cubic root of 253821048 is about 633.1537901650.

The spelling of 253821048 in words is "two hundred fifty-three million, eight hundred twenty-one thousand, forty-eight".