205433151 has 32 divisors (see below), whose sum is σ = 361594368. Its totient is φ = 100439040.

The previous prime is 205433143. The next prime is 205433159. The reversal of 205433151 is 151334502.

205433151 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (205433143) and next prime (205433159).

It is not a de Polignac number, because 205433151 - 2³ = 205433143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205433159) 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 31 ways as a sum of consecutive naturals, for example, 22230 + ... + 30083.

It is an arithmetic number, because the mean of its divisors is an integer number (11299824).

Almost surely, 2^205433151 is an apocalyptic number.

205433151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

205433151 is a deficient number, since it is larger than the sum of its proper divisors (156161217).

205433151 is a wasteful number, since it uses less digits than its factorization.

205433151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52351.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 205433151 is about 14332.9393705548. The cubic root of 205433151 is about 590.0518493167.

Adding to 205433151 its reverse (151334502), we get a palindrome (356767653).

The spelling of 205433151 in words is "two hundred five million, four hundred thirty-three thousand, one hundred fifty-one".