205223051 has 8 divisors (see below), whose sum is σ = 223983408. Its totient is φ = 186480000.

The previous prime is 205223041. The next prime is 205223101. The reversal of 205223051 is 150322502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205223051 - 2²² = 201028747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205223041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43991 + ... + 48431.

It is an arithmetic number, because the mean of its divisors is an integer number (27997926).

Almost surely, 2^205223051 is an apocalyptic number.

205223051 is a deficient number, since it is larger than the sum of its proper divisors (18760357).

205223051 is a wasteful number, since it uses less digits than its factorization.

205223051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 205223051 is about 14325.6082244350. The cubic root of 205223051 is about 589.8506286617.

Adding to 205223051 its reverse (150322502), we get a palindrome (355545553).

The spelling of 205223051 in words is "two hundred five million, two hundred twenty-three thousand, fifty-one".