Search a number
-
+
2553289 is a prime number
BaseRepresentation
bin1001101111010111001001
311210201110021
421233113021
51123201124
6130420441
730462664
oct11572711
94721407
102553289
111494362
12a31721
136b522b
144a66db
153567e4
hex26f5c9

2553289 has 2 divisors, whose sum is σ = 2553290. Its totient is φ = 2553288.

The previous prime is 2553283. The next prime is 2553293. The reversal of 2553289 is 9823552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 258064 = 1515^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553289 - 29 = 2552777 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2553283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276644 + 1276645.

It is an arithmetic number, because the mean of its divisors is an integer number (1276645).

22553289 is an apocalyptic number.

It is an amenable number.

2553289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553289 is an equidigital number, since it uses as much as digits as its factorization.

2553289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 2553289 is about 1597.9014362594. The cubic root of 2553289 is about 136.6784331200.

The spelling of 2553289 in words is "two million, five hundred fifty-three thousand, two hundred eighty-nine".