205151253 has 16 divisors (see below), whose sum is σ = 278892480. Its totient is φ = 134107776.

The previous prime is 205151239. The next prime is 205151279. The reversal of 205151253 is 352151502.

It is a happy number.

It is not a de Polignac number, because 205151253 - 2⁸ = 205150997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205151203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43801 + ... + 48257.

It is an arithmetic number, because the mean of its divisors is an integer number (17430780).

Almost surely, 2^205151253 is an apocalyptic number.

It is an amenable number.

205151253 is a deficient number, since it is larger than the sum of its proper divisors (73741227).

205151253 is a wasteful number, since it uses less digits than its factorization.

205151253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 205151253 is about 14323.1020732242. The cubic root of 205151253 is about 589.7818335386.

The spelling of 205151253 in words is "two hundred five million, one hundred fifty-one thousand, two hundred fifty-three".