205632563 has 2 divisors, whose sum is σ = 205632564. Its totient is φ = 205632562.

The previous prime is 205632529. The next prime is 205632587. The reversal of 205632563 is 365236502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205632563 - 2¹⁰ = 205631539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (205632863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102816281 + 102816282.

It is an arithmetic number, because the mean of its divisors is an integer number (102816282).

Almost surely, 2^205632563 is an apocalyptic number.

205632563 is a deficient number, since it is larger than the sum of its proper divisors (1).

205632563 is an equidigital number, since it uses as much as digits as its factorization.

205632563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 205632563 is about 14339.8941070009. The cubic root of 205632563 is about 590.2427068094.

The spelling of 205632563 in words is "two hundred five million, six hundred thirty-two thousand, five hundred sixty-three".