205195492 has 6 divisors (see below), whose sum is σ = 359092118. Its totient is φ = 102597744.

The previous prime is 205195433. The next prime is 205195519. The reversal of 205195492 is 294591502.

It can be written as a sum of positive squares in only one way, i.e., 191102976 + 14092516 = 13824^2 + 3754^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25649433 + ... + 25649440.

Almost surely, 2^205195492 is an apocalyptic number.

It is an amenable number.

205195492 is a deficient number, since it is larger than the sum of its proper divisors (153896626).

205195492 is a wasteful number, since it uses less digits than its factorization.

205195492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51298877 (or 51298875 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 205195492 is about 14324.6463132602. The cubic root of 205195492 is about 589.8242241861.

The spelling of 205195492 in words is "two hundred five million, one hundred ninety-five thousand, four hundred ninety-two".