253105984 has 28 divisors (see below), whose sum is σ = 524097504. Its totient is φ = 121049984.

The previous prime is 253105949. The next prime is 253105991. The reversal of 253105984 is 489501352.

253105984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84502 + ... + 87445.

It is an arithmetic number, because the mean of its divisors is an integer number (18717768).

Almost surely, 2^253105984 is an apocalyptic number.

It is an amenable number.

253105984 is an abundant number, since it is smaller than the sum of its proper divisors (270991520).

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

253105984 is a wasteful number, since it uses less digits than its factorization.

253105984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171982 (or 171972 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 253105984 is about 15909.3049502485. The cubic root of 253105984 is about 632.5586578729.

The spelling of 253105984 in words is "two hundred fifty-three million, one hundred five thousand, nine hundred eighty-four".