2133210245 has 8 divisors (see below), whose sum is σ = 2561798040. Its totient is φ = 1705271040.

The previous prime is 2133210227. The next prime is 2133210281. The reversal of 2133210245 is 5420123312.

It can be written as a sum of positive squares in 4 ways, for example, as 305305729 + 1827904516 = 17473^2 + 42754^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2133210245 - 2⁸ = 2133209989 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133210245.

It is a congruent number.

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, 154880 + ... + 168089.

It is an arithmetic number, because the mean of its divisors is an integer number (320224755).

Almost surely, 2^2133210245 is an apocalyptic number.

It is an amenable number.

2133210245 is a deficient number, since it is larger than the sum of its proper divisors (428587795).

2133210245 is a wasteful number, since it uses less digits than its factorization.

2133210245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324295.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2133210245 is about 46186.6890456547. The cubic root of 2133210245 is about 1287.2944205648.

Adding to 2133210245 its reverse (5420123312), we get a palindrome (7553333557).

The spelling of 2133210245 in words is "two billion, one hundred thirty-three million, two hundred ten thousand, two hundred forty-five".