2146521332 has 12 divisors (see below), whose sum is σ = 3789655716. Its totient is φ = 1063762560.

The previous prime is 2146521319. The next prime is 2146521401. The reversal of 2146521332 is 2331256412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1186389136 + 960132196 = 34444^2 + 30986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2146521295 and 2146521304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374019 + ... + 2374922.

It is an arithmetic number, because the mean of its divisors is an integer number (315804643).

Almost surely, 2^2146521332 is an apocalyptic number.

It is an amenable number.

2146521332 is a deficient number, since it is larger than the sum of its proper divisors (1643134384).

2146521332 is a wasteful number, since it uses less digits than its factorization.

2146521332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749058 (or 4749056 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 2146521332 is about 46330.5658502030. The cubic root of 2146521332 is about 1289.9664138042.

Adding to 2146521332 its reverse (2331256412), we get a palindrome (4477777744).

The spelling of 2146521332 in words is "two billion, one hundred forty-six million, five hundred twenty-one thousand, three hundred thirty-two".