205002151 has 8 divisors (see below), whose sum is σ = 217423584. Its totient is φ = 192873120.

The previous prime is 205002139. The next prime is 205002157. The reversal of 205002151 is 151200502.

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 205002151 - 2¹⁵ = 204969383 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 (205002157) 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 7 ways as a sum of consecutive naturals, for example, 71656 + ... + 74461.

It is an arithmetic number, because the mean of its divisors is an integer number (27177948).

Almost surely, 2^205002151 is an apocalyptic number.

205002151 is a deficient number, since it is larger than the sum of its proper divisors (12421433).

205002151 is a wasteful number, since it uses less digits than its factorization.

205002151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146201.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 205002151 is about 14317.8961792576. The cubic root of 205002151 is about 589.6389162807.

Adding to 205002151 its reverse (151200502), we get a palindrome (356202653).

The spelling of 205002151 in words is "two hundred five million, two thousand, one hundred fifty-one".