2122530253 has 4 divisors (see below), whose sum is σ = 2134799388. Its totient is φ = 2110261120.

The previous prime is 2122530211. The next prime is 2122530287. The reversal of 2122530253 is 3520352212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1772578404 + 349951849 = 42102^2 + 18707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122530253 - 2⁹ = 2122529741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122530953) by changing a digit.

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, 6134308 + ... + 6134653.

It is an arithmetic number, because the mean of its divisors is an integer number (533699847).

Almost surely, 2^2122530253 is an apocalyptic number.

It is an amenable number.

2122530253 is a deficient number, since it is larger than the sum of its proper divisors (12269135).

2122530253 is a wasteful number, since it uses less digits than its factorization.

2122530253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269134.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2122530253 is about 46070.9263310388. The cubic root of 2122530253 is about 1285.1425304815.

Adding to 2122530253 its reverse (3520352212), we get a palindrome (5642882465).

The spelling of 2122530253 in words is "two billion, one hundred twenty-two million, five hundred thirty thousand, two hundred fifty-three".