205432463 has 2 divisors, whose sum is σ = 205432464. Its totient is φ = 205432462.

The previous prime is 205432453. The next prime is 205432477. The reversal of 205432463 is 364234502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205432463 - 2⁸ = 205432207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205432453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102716231 + 102716232.

It is an arithmetic number, because the mean of its divisors is an integer number (102716232).

Almost surely, 2^205432463 is an apocalyptic number.

205432463 is a deficient number, since it is larger than the sum of its proper divisors (1).

205432463 is an equidigital number, since it uses as much as digits as its factorization.

205432463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 205432463 is about 14332.9153698750. The cubic root of 205432463 is about 590.0511906173.

Adding to 205432463 its reverse (364234502), we get a palindrome (569666965).

The spelling of 205432463 in words is "two hundred five million, four hundred thirty-two thousand, four hundred sixty-three".