653250 has 64 divisors (see below), whose sum is σ = 1782144. Its totient is φ = 158400.

The previous prime is 653243. The next prime is 653267. The reversal of 653250 is 52356.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 653250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9717 + ... + 9783.

It is an arithmetic number, because the mean of its divisors is an integer number (27846).

2⁶⁵³²⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891072).

653250 is an abundant number, since it is smaller than the sum of its proper divisors (1128894).

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

653250 is a wasteful number, since it uses less digits than its factorization.

653250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 653250 is about 808.2388260904. The cubic root of 653250 is about 86.7680437625.

It can be divided in two parts, 653 and 250, that added together give a triangular number (903 = T₄₂).

The spelling of 653250 in words is "six hundred fifty-three thousand, two hundred fifty".