2153032530 has 128 divisors (see below), whose sum is σ = 5906774016. Its totient is φ = 497164800.

The previous prime is 2153032517. The next prime is 2153032561. The reversal of 2153032530 is 352303512.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153032530.

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, 2511862 + ... + 2512718.

It is an arithmetic number, because the mean of its divisors is an integer number (46146672).

Almost surely, 2^2153032530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153032530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953387008).

2153032530 is an abundant number, since it is smaller than the sum of its proper divisors (3753741486).

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

2153032530 is a wasteful number, since it uses less digits than its factorization.

2153032530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 2153032530 is about 46400.7815666935. The cubic root of 2153032530 is about 1291.2694132560.

The spelling of 2153032530 in words is "two billion, one hundred fifty-three million, thirty-two thousand, five hundred thirty".