205450334 has 4 divisors (see below), whose sum is σ = 308175504. Its totient is φ = 102725166.

The previous prime is 205450243. The next prime is 205450337. The reversal of 205450334 is 433054502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205450337) 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 as a sum of consecutive naturals, namely, 51362582 + ... + 51362585.

It is an arithmetic number, because the mean of its divisors is an integer number (77043876).

Almost surely, 2^205450334 is an apocalyptic number.

205450334 is a deficient number, since it is larger than the sum of its proper divisors (102725170).

205450334 is a wasteful number, since it uses less digits than its factorization.

205450334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102725169.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 205450334 is about 14333.5387814733. The cubic root of 205450334 is about 590.0683000506.

The spelling of 205450334 in words is "two hundred five million, four hundred fifty thousand, three hundred thirty-four".