Search a number
-
+
605145971 is a prime number
BaseRepresentation
bin100100000100011…
…100101101110011
31120011200121012202
4210010130231303
52214404132341
6140014213415
720665440653
oct4404345563
91504617182
10605145971
11290653141
1214a7b426b
13984aac51
145a526363
15381d779b
hex2411cb73

605145971 has 2 divisors, whose sum is σ = 605145972. Its totient is φ = 605145970.

The previous prime is 605145967. The next prime is 605146007. The reversal of 605145971 is 179541506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605145971 - 22 = 605145967 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (605145901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302572985 + 302572986.

It is an arithmetic number, because the mean of its divisors is an integer number (302572986).

Almost surely, 2605145971 is an apocalyptic number.

605145971 is a deficient number, since it is larger than the sum of its proper divisors (1).

605145971 is an equidigital number, since it uses as much as digits as its factorization.

605145971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 605145971 is about 24599.7148560710. The cubic root of 605145971 is about 845.8370711432.

The spelling of 605145971 in words is "six hundred five million, one hundred forty-five thousand, nine hundred seventy-one".