2153536 has 112 divisors (see below), whose sum is σ = 5852160. Its totient is φ = 760320.

The previous prime is 2153531. The next prime is 2153551. The reversal of 2153536 is 6353512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 2153536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93621 + ... + 93643.

2^2153536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2926080).

2153536 is an abundant number, since it is smaller than the sum of its proper divisors (3698624).

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

2153536 is a wasteful number, since it uses less digits than its factorization.

2153536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 62 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 2153536 is about 1467.4931004949. The cubic root of 2153536 is about 129.1370056532.

The spelling of 2153536 in words is "two million, one hundred fifty-three thousand, five hundred thirty-six".