2053257205 has 4 divisors (see below), whose sum is σ = 2463908652. Its totient is φ = 1642605760.

The previous prime is 2053257197. The next prime is 2053257233. The reversal of 2053257205 is 5027523502.

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 1283860561 + 769396644 = 35831^2 + 27738^2 .

It is not a de Polignac number, because 2053257205 - 2³ = 2053257197 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 205325716 + ... + 205325725.

It is an arithmetic number, because the mean of its divisors is an integer number (615977163).

Almost surely, 2^2053257205 is an apocalyptic number.

It is an amenable number.

2053257205 is a deficient number, since it is larger than the sum of its proper divisors (410651447).

2053257205 is an equidigital number, since it uses as much as digits as its factorization.

2053257205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410651446.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 2053257205 is about 45312.8812259825. The cubic root of 2053257205 is about 1271.0065397698.

The spelling of 2053257205 in words is "two billion, fifty-three million, two hundred fifty-seven thousand, two hundred five".