2152523332 has 12 divisors (see below), whose sum is σ = 3772636560. Its totient is φ = 1074627176.

The previous prime is 2152523309. The next prime is 2152523339. The reversal of 2152523332 is 2333252512.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152523332.

It is not an unprimeable number, because it can be changed into a prime (2152523339) 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 3 ways as a sum of consecutive naturals, for example, 405658 + ... + 410929.

It is an arithmetic number, because the mean of its divisors is an integer number (314386380).

Almost surely, 2^2152523332 is an apocalyptic number.

It is an amenable number.

2152523332 is a deficient number, since it is larger than the sum of its proper divisors (1620113228).

2152523332 is a wasteful number, since it uses less digits than its factorization.

2152523332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817250 (or 817248 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 2152523332 is about 46395.2942872443. The cubic root of 2152523332 is about 1291.1676089970.

Adding to 2152523332 its reverse (2333252512), we get a palindrome (4485775844).

The spelling of 2152523332 in words is "two billion, one hundred fifty-two million, five hundred twenty-three thousand, three hundred thirty-two".