2142505210 has 32 divisors (see below), whose sum is σ = 4014988560. Its totient is φ = 822162432.

The previous prime is 2142505207. The next prime is 2142505213. The reversal of 2142505210 is 125052412.

It is an interprime number because it is at equal distance from previous prime (2142505207) and next prime (2142505213).

It can be written as a sum of positive squares in 8 ways, for example, as 231678841 + 1910826369 = 15221^2 + 43713^2 .

It is not an unprimeable number, because it can be changed into a prime (2142505213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22002 + ... + 69058.

Almost surely, 2^2142505210 is an apocalyptic number.

2142505210 is a deficient number, since it is larger than the sum of its proper divisors (1872483350).

2142505210 is a wasteful number, since it uses less digits than its factorization.

2142505210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47250.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2142505210 is about 46287.2035232201. The cubic root of 2142505210 is about 1289.1614063766.

Adding to 2142505210 its reverse (125052412), we get a palindrome (2267557622).

The spelling of 2142505210 in words is "two billion, one hundred forty-two million, five hundred five thousand, two hundred ten".