205715675 has 12 divisors (see below), whose sum is σ = 278277576. Its totient is φ = 149611200.

The previous prime is 205715669. The next prime is 205715677. The reversal of 205715675 is 576517502.

It is a de Polignac number, because none of the positive numbers 2^k-205715675 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205715677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373754 + ... + 374303.

It is an arithmetic number, because the mean of its divisors is an integer number (23189798).

Almost surely, 2^205715675 is an apocalyptic number.

205715675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

205715675 is a deficient number, since it is larger than the sum of its proper divisors (72561901).

205715675 is a wasteful number, since it uses less digits than its factorization.

205715675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748078 (or 748073 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 205715675 is about 14342.7917435902. The cubic root of 205715675 is about 590.3222169860.

The spelling of 205715675 in words is "two hundred five million, seven hundred fifteen thousand, six hundred seventy-five".