205250441 has 4 divisors (see below), whose sum is σ = 223909584. Its totient is φ = 186591300.

The previous prime is 205250417. The next prime is 205250447. The reversal of 205250441 is 144052502.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-205250441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205250447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9329555 + ... + 9329576.

It is an arithmetic number, because the mean of its divisors is an integer number (55977396).

Almost surely, 2^205250441 is an apocalyptic number.

It is an amenable number.

205250441 is a deficient number, since it is larger than the sum of its proper divisors (18659143).

205250441 is a wasteful number, since it uses less digits than its factorization.

205250441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18659142.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 205250441 is about 14326.5641728923. The cubic root of 205250441 is about 589.8768688752.

The spelling of 205250441 in words is "two hundred five million, two hundred fifty thousand, four hundred forty-one".