204374039 has 2 divisors, whose sum is σ = 204374040. Its totient is φ = 204374038.

The previous prime is 204374003. The next prime is 204374047. The reversal of 204374039 is 930473402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204374039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204373996 and 204374014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204371039) 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, 102187019 + 102187020.

It is an arithmetic number, because the mean of its divisors is an integer number (102187020).

Almost surely, 2^204374039 is an apocalyptic number.

204374039 is a deficient number, since it is larger than the sum of its proper divisors (1).

204374039 is an equidigital number, since it uses as much as digits as its factorization.

204374039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 204374039 is about 14295.9448446054. The cubic root of 204374039 is about 589.0360963040.

The spelling of 204374039 in words is "two hundred four million, three hundred seventy-four thousand, thirty-nine".