204634231 has 2 divisors, whose sum is σ = 204634232. Its totient is φ = 204634230.

The previous prime is 204634223. The next prime is 204634249. The reversal of 204634231 is 132436402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204634231 - 2³ = 204634223 is a prime.

It is a super-2 number, since 2×204634231² = 83750336993922722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204634196 and 204634205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204634631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102317115 + 102317116.

It is an arithmetic number, because the mean of its divisors is an integer number (102317116).

Almost surely, 2^204634231 is an apocalyptic number.

204634231 is a deficient number, since it is larger than the sum of its proper divisors (1).

204634231 is an equidigital number, since it uses as much as digits as its factorization.

204634231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 204634231 is about 14305.0421530312. The cubic root of 204634231 is about 589.2859608601.

The spelling of 204634231 in words is "two hundred four million, six hundred thirty-four thousand, two hundred thirty-one".