2141305252 has 24 divisors (see below), whose sum is σ = 3790286136. Its totient is φ = 1058416128.

The previous prime is 2141305249. The next prime is 2141305273. The reversal of 2141305252 is 2525031412.

It can be written as a sum of positive squares in 4 ways, for example, as 242611776 + 1898693476 = 15576^2 + 43574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173478 + ... + 185410.

It is an arithmetic number, because the mean of its divisors is an integer number (157928589).

Almost surely, 2^2141305252 is an apocalyptic number.

It is an amenable number.

2141305252 is a deficient number, since it is larger than the sum of its proper divisors (1648980884).

2141305252 is a wasteful number, since it uses less digits than its factorization.

2141305252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447 (or 12445 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2141305252 is about 46274.2396155788. The cubic root of 2141305252 is about 1288.9206868636.

Adding to 2141305252 its reverse (2525031412), we get a palindrome (4666336664).

The spelling of 2141305252 in words is "two billion, one hundred forty-one million, three hundred five thousand, two hundred fifty-two".