205652530 has 16 divisors (see below), whose sum is σ = 371714904. Its totient is φ = 81918720.

The previous prime is 205652527. The next prime is 205652593. The reversal of 205652530 is 35256502.

It can be written as a sum of positive squares in 4 ways, for example, as 170380809 + 35271721 = 13053^2 + 5939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40257 + ... + 45076.

Almost surely, 2^205652530 is an apocalyptic number.

205652530 is a deficient number, since it is larger than the sum of its proper divisors (166062374).

205652530 is a wasteful number, since it uses less digits than its factorization.

205652530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85581.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 205652530 is about 14340.5902946845. The cubic root of 205652530 is about 590.2618104548.

The spelling of 205652530 in words is "two hundred five million, six hundred fifty-two thousand, five hundred thirty".