2152531350 has 72 divisors (see below), whose sum is σ = 5834450232. Its totient is φ = 568915200.

The previous prime is 2152531327. The next prime is 2152531357. The reversal of 2152531350 is 531352512.

It is a happy number.

2152531350 is a `hidden beast` number, since 2 + 1 + 525 + 3 + 135 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152531357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29685 + ... + 72015.

It is an arithmetic number, because the mean of its divisors is an integer number (81034031).

Almost surely, 2^2152531350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152531350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2917225116).

2152531350 is an abundant number, since it is smaller than the sum of its proper divisors (3681918882).

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

2152531350 is a wasteful number, since it uses less digits than its factorization.

2152531350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42462 (or 42454 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2152531350 is about 46395.3806967892. The cubic root of 2152531350 is about 1291.1692121649.

Adding to 2152531350 its reverse (531352512), we get a palindrome (2683883862).

The spelling of 2152531350 in words is "two billion, one hundred fifty-two million, five hundred thirty-one thousand, three hundred fifty".