253273205 has 4 divisors (see below), whose sum is σ = 303927852. Its totient is φ = 202618560.

The previous prime is 253273201. The next prime is 253273219. The reversal of 253273205 is 502372352.

It is a happy number.

253273205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 105966436 + 147306769 = 10294^2 + 12137^2 .

It is not a de Polignac number, because 253273205 - 2² = 253273201 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 (253273201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25327316 + ... + 25327325.

It is an arithmetic number, because the mean of its divisors is an integer number (75981963).

Almost surely, 2^253273205 is an apocalyptic number.

It is an amenable number.

253273205 is a deficient number, since it is larger than the sum of its proper divisors (50654647).

253273205 is an equidigital number, since it uses as much as digits as its factorization.

253273205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50654646.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 253273205 is about 15914.5595289345. The cubic root of 253273205 is about 632.6979326060.

The spelling of 253273205 in words is "two hundred fifty-three million, two hundred seventy-three thousand, two hundred five".