204674497 has 2 divisors, whose sum is σ = 204674498. Its totient is φ = 204674496.

The previous prime is 204674473. The next prime is 204674513. The reversal of 204674497 is 794476402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185804161 + 18870336 = 13631^2 + 4344^2 .

It is a cyclic number.

It is not a de Polignac number, because 204674497 - 2¹¹ = 204672449 is a prime.

It is not a weakly prime, because it can be changed into another prime (204671497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102337248 + 102337249.

It is an arithmetic number, because the mean of its divisors is an integer number (102337249).

Almost surely, 2^204674497 is an apocalyptic number.

It is an amenable number.

204674497 is a deficient number, since it is larger than the sum of its proper divisors (1).

204674497 is an equidigital number, since it uses as much as digits as its factorization.

204674497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 204674497 is about 14306.4494896533. The cubic root of 204674497 is about 589.3246097089.

It can be divided in two parts, 20467 and 4497, that added together give a square (24964 = 158²).

The spelling of 204674497 in words is "two hundred four million, six hundred seventy-four thousand, four hundred ninety-seven".