653885250 has 64 divisors (see below), whose sum is σ = 1636008192. Its totient is φ = 173952000.

The previous prime is 653885233. The next prime is 653885251. The reversal of 653885250 is 52588356.

It is not an unprimeable number, because it can be changed into a prime (653885251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431995 + ... + 433505.

It is an arithmetic number, because the mean of its divisors is an integer number (25562628).

Almost surely, 2^653885250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653885250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818004096).

653885250 is an abundant number, since it is smaller than the sum of its proper divisors (982122942).

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

653885250 is a wasteful number, since it uses less digits than its factorization.

653885250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 653885250 is about 25571.1800666297. The cubic root of 653885250 is about 867.9616038074.

The spelling of 653885250 in words is "six hundred fifty-three million, eight hundred eighty-five thousand, two hundred fifty".