253819872 has 48 divisors (see below), whose sum is σ = 740310480. Its totient is φ = 84606336.

The previous prime is 253819871. The next prime is 253819921. The reversal of 253819872 is 278918352.

It is a happy number.

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 (253819871) 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, 146023 + ... + 147750.

It is an arithmetic number, because the mean of its divisors is an integer number (15423135).

Almost surely, 2^253819872 is an apocalyptic number.

It is an amenable number.

253819872 is an abundant number, since it is smaller than the sum of its proper divisors (486490608).

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

253819872 is a wasteful number, since it uses less digits than its factorization.

253819872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293792 (or 293778 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 253819872 is about 15931.7253302962. The cubic root of 253819872 is about 633.1528123239.

It can be divided in two parts, 25381 and 9872, that added together give a palindrome (35253).

The spelling of 253819872 in words is "two hundred fifty-three million, eight hundred nineteen thousand, eight hundred seventy-two".