2153013205 has 12 divisors (see below), whose sum is σ = 3005431020. Its totient is φ = 1476351744.

The previous prime is 2153013193. The next prime is 2153013217. The reversal of 2153013205 is 5023103512.

It is an interprime number because it is at equal distance from previous prime (2153013193) and next prime (2153013217).

It can be written as a sum of positive squares in 2 ways, for example, as 1561988484 + 591024721 = 39522^2 + 24311^2 .

It is not a de Polignac number, because 2153013205 - 2⁵ = 2153013173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4393660 + ... + 4394149.

It is an arithmetic number, because the mean of its divisors is an integer number (250452585).

Almost surely, 2^2153013205 is an apocalyptic number.

It is an amenable number.

2153013205 is a deficient number, since it is larger than the sum of its proper divisors (852417815).

2153013205 is an equidigital number, since it uses as much as digits as its factorization.

2153013205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787828 (or 8787821 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2153013205 is about 46400.5733261993. The cubic root of 2153013205 is about 1291.2655498903.

Adding to 2153013205 its reverse (5023103512), we get a palindrome (7176116717).

The spelling of 2153013205 in words is "two billion, one hundred fifty-three million, thirteen thousand, two hundred five".