204604951 has 2 divisors, whose sum is σ = 204604952. Its totient is φ = 204604950.

The previous prime is 204604949. The next prime is 204604957. The reversal of 204604951 is 159406402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204604951 - 2¹ = 204604949 is a prime.

Together with 204604949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204604957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102302475 + 102302476.

It is an arithmetic number, because the mean of its divisors is an integer number (102302476).

Almost surely, 2^204604951 is an apocalyptic number.

204604951 is a deficient number, since it is larger than the sum of its proper divisors (1).

204604951 is an equidigital number, since it uses as much as digits as its factorization.

204604951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 204604951 is about 14304.0187010504. The cubic root of 204604951 is about 589.2578536110.

The spelling of 204604951 in words is "two hundred four million, six hundred four thousand, nine hundred fifty-one".