2153250 has 128 divisors (see below), whose sum is σ = 6739200. Its totient is φ = 504000.

The previous prime is 2153243. The next prime is 2153267. The reversal of 2153250 is 523512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74236 + ... + 74264.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2^2153250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3369600).

2153250 is an abundant number, since it is smaller than the sum of its proper divisors (4585950).

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

2153250 is a wasteful number, since it uses less digits than its factorization.

2153250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2153250 is about 1467.3956521675. The cubic root of 2153250 is about 129.1312887271.

Adding to 2153250 its reverse (523512), we get a palindrome (2676762).

The spelling of 2153250 in words is "two million, one hundred fifty-three thousand, two hundred fifty".