Search a number
-
+
359494409 is a prime number
BaseRepresentation
bin10101011011010…
…111001100001001
3221001110012121202
4111123113030021
51214012310114
655401113545
711623436441
oct2533271411
9831405552
10359494409
11174a1a51a
12a04888b5
135962b8b1
1435a5d121
1521861cde
hex156d7309

359494409 has 2 divisors, whose sum is σ = 359494410. Its totient is φ = 359494408.

The previous prime is 359494367. The next prime is 359494423. The reversal of 359494409 is 904494953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347934409 + 11560000 = 18653^2 + 3400^2 .

It is an emirp because it is prime and its reverse (904494953) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-359494409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (359494489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179747204 + 179747205.

It is an arithmetic number, because the mean of its divisors is an integer number (179747205).

Almost surely, 2359494409 is an apocalyptic number.

It is an amenable number.

359494409 is a deficient number, since it is larger than the sum of its proper divisors (1).

359494409 is an equidigital number, since it uses as much as digits as its factorization.

359494409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 359494409 is about 18960.3377870754. The cubic root of 359494409 is about 711.0454801996.

The spelling of 359494409 in words is "three hundred fifty-nine million, four hundred ninety-four thousand, four hundred nine".