204983137 has 2 divisors, whose sum is σ = 204983138. Its totient is φ = 204983136.

The previous prime is 204983101. The next prime is 204983173. The reversal of 204983137 is 731389402.

Together with next prime (204983173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (204983101) and next prime (204983173).

It can be written as a sum of positive squares in only one way, i.e., 189585361 + 15397776 = 13769^2 + 3924^2 .

It is a cyclic number.

It is not a de Polignac number, because 204983137 - 2¹¹ = 204981089 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 204983096 and 204983105.

It is not a weakly prime, because it can be changed into another prime (204983437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102491568 + 102491569.

It is an arithmetic number, because the mean of its divisors is an integer number (102491569).

Almost surely, 2^204983137 is an apocalyptic number.

It is an amenable number.

204983137 is a deficient number, since it is larger than the sum of its proper divisors (1).

204983137 is an equidigital number, since it uses as much as digits as its factorization.

204983137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 204983137 is about 14317.2321696618. The cubic root of 204983137 is about 589.6206859988.

It can be divided in two parts, 204983 and 137, that added together give a triangular number (205120 = T₆₄₀).

The spelling of 204983137 in words is "two hundred four million, nine hundred eighty-three thousand, one hundred thirty-seven".