Search a number
-
+
2757317 is a prime number
BaseRepresentation
bin1010100001001011000101
312012002022212
422201023011
51201213232
6135033205
732302553
oct12411305
95162285
102757317
111613682
12b0b805
13757064
1451abd3
15396eb2
hex2a12c5

2757317 has 2 divisors, whose sum is σ = 2757318. Its totient is φ = 2757316.

The previous prime is 2757311. The next prime is 2757319. The reversal of 2757317 is 7137572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2477476 + 279841 = 1574^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 2757317 - 28 = 2757061 is a prime.

Together with 2757319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2757311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378658 + 1378659.

It is an arithmetic number, because the mean of its divisors is an integer number (1378659).

22757317 is an apocalyptic number.

It is an amenable number.

2757317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2757317 is an equidigital number, since it uses as much as digits as its factorization.

2757317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10290, while the sum is 32.

The square root of 2757317 is about 1660.5170881385. The cubic root of 2757317 is about 140.2261141979.

The spelling of 2757317 in words is "two million, seven hundred fifty-seven thousand, three hundred seventeen".