2142045253 has 2 divisors, whose sum is σ = 2142045254. Its totient is φ = 2142045252.

The previous prime is 2142045247. The next prime is 2142045331. The reversal of 2142045253 is 3525402412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2018435329 + 123609924 = 44927^2 + 11118^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142045253 - 2⁹ = 2142044741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142045233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071022626 + 1071022627.

It is an arithmetic number, because the mean of its divisors is an integer number (1071022627).

Almost surely, 2^2142045253 is an apocalyptic number.

It is an amenable number.

2142045253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142045253 is an equidigital number, since it uses as much as digits as its factorization.

2142045253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2142045253 is about 46282.2347450941. The cubic root of 2142045253 is about 1289.0691465853.

Adding to 2142045253 its reverse (3525402412), we get a palindrome (5667447665).

The spelling of 2142045253 in words is "two billion, one hundred forty-two million, forty-five thousand, two hundred fifty-three".