205300253 has 4 divisors (see below), whose sum is σ = 205872480. Its totient is φ = 204728028.

The previous prime is 205300241. The next prime is 205300289. The reversal of 205300253 is 352003502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205300253 - 2⁴ = 205300237 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 (205308253) 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 3 ways as a sum of consecutive naturals, for example, 285575 + ... + 286292.

It is an arithmetic number, because the mean of its divisors is an integer number (51468120).

Almost surely, 2^205300253 is an apocalyptic number.

It is an amenable number.

205300253 is a deficient number, since it is larger than the sum of its proper divisors (572227).

205300253 is an equidigital number, since it uses as much as digits as its factorization.

205300253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572226.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 205300253 is about 14328.3025163485. The cubic root of 205300253 is about 589.9245838680.

Adding to 205300253 its reverse (352003502), we get a palindrome (557303755).

The spelling of 205300253 in words is "two hundred five million, three hundred thousand, two hundred fifty-three".